Al Sobrante
E870893
Al Sobrante is the stage name of John Kiffmeyer, the original drummer for the American punk rock band Green Day.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Al Sobrante canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T10530007 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Al Sobrante Context triple: [John Kiffmeyer, alsoKnownAs, Al Sobrante]
-
A.
El Sobrante, California
El Sobrante, California is an unincorporated suburban community in the San Francisco Bay Area known for its residential neighborhoods and proximity to Richmond and other East Bay cities.
-
B.
Burlingame
Burlingame is a suburban city on the San Francisco Peninsula in California, known for its affluent residential neighborhoods, proximity to San Francisco International Airport, and historic commercial corridor along El Camino Real.
-
C.
Novato
Novato is a suburban city in northern Marin County, California, known for its residential communities, open space preserves, and role as a gateway between the North Bay and the rest of the San Francisco Bay Area.
-
D.
San Bruno
San Bruno is a small city in San Mateo County, California, located just south of San Francisco and known for its proximity to San Francisco International Airport and the YouTube headquarters.
-
E.
Los Altos
Los Altos is an affluent residential city in California’s San Francisco Bay Area, known for its quiet suburban character and proximity to major Silicon Valley tech hubs.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Al Sobrante Target entity description: Al Sobrante is the stage name of John Kiffmeyer, the original drummer for the American punk rock band Green Day.
-
A.
El Sobrante, California
El Sobrante, California is an unincorporated suburban community in the San Francisco Bay Area known for its residential neighborhoods and proximity to Richmond and other East Bay cities.
-
B.
Burlingame
Burlingame is a suburban city on the San Francisco Peninsula in California, known for its affluent residential neighborhoods, proximity to San Francisco International Airport, and historic commercial corridor along El Camino Real.
-
C.
Novato
Novato is a suburban city in northern Marin County, California, known for its residential communities, open space preserves, and role as a gateway between the North Bay and the rest of the San Francisco Bay Area.
-
D.
San Bruno
San Bruno is a small city in San Mateo County, California, located just south of San Francisco and known for its proximity to San Francisco International Airport and the YouTube headquarters.
-
E.
Los Altos
Los Altos is an affluent residential city in California’s San Francisco Bay Area, known for its quiet suburban character and proximity to major Silicon Valley tech hubs.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
drummer
ⓘ
human ⓘ musician ⓘ stage name ⓘ |
| activeInPeriod |
early 1990s
ⓘ
late 1980s ⓘ |
| aliasOrigin | named after Alvarado Street / El Sobrante area pun on "El Sobrante" ⓘ |
| alsoKnownFor | early contributions to Green Day demos ⓘ |
| associatedAct |
Green Day
NERFINISHED
ⓘ
Isocracy NERFINISHED ⓘ The Ne'er Do Wells NERFINISHED ⓘ |
| basedIn | East Bay, California NERFINISHED ⓘ |
| birthName | John Kiffmeyer NERFINISHED ⓘ |
| collaboratedWith |
Billie Joe Armstrong
NERFINISHED
ⓘ
Mike Dirnt NERFINISHED ⓘ |
| countryOfCitizenship |
United States of America
ⓘ
surface form:
United States
|
| drummerFor |
Green Day
NERFINISHED
ⓘ
Isocracy NERFINISHED ⓘ |
| genre | punk rock ⓘ |
| influencedGenreScene | East Bay punk ⓘ |
| inspiredBy | East Bay punk scene NERFINISHED ⓘ |
| languageOfStageName | Spanish-influenced English ⓘ |
| leftBand | Green Day NERFINISHED ⓘ |
| memberOf | Green Day NERFINISHED ⓘ |
| musicScene | Berkeley punk ⓘ |
| nationality | American ⓘ |
| notableFor | being the original drummer of Green Day ⓘ |
| notableInstrument | drum kit ⓘ |
| notableVenue | 924 Gilman Street NERFINISHED ⓘ |
| occupation |
drummer
ⓘ
musician ⓘ |
| partOf | original Green Day lineup ⓘ |
| playedOnRelease |
Green Day EP "1,000 Hours"
NERFINISHED
ⓘ
Green Day EP "Slappy" NERFINISHED ⓘ Green Day album "39/Smooth" NERFINISHED ⓘ Green Day compilation "1,039/Smoothed Out Slappy Hours" NERFINISHED ⓘ |
| positionInBand | drummer ⓘ |
| precededByInBand | none (founding drummer of Green Day) ⓘ |
| realName | John Kiffmeyer NERFINISHED ⓘ |
| reasonForLeaving | to attend college ⓘ |
| recordLabelWorkedWith | Lookout! Records NERFINISHED ⓘ |
| role | original drummer of Green Day ⓘ |
| scene | Gilman Street punk scene ⓘ |
| stageName | Al Sobrante NERFINISHED ⓘ |
| succeededByInBand | Tré Cool NERFINISHED ⓘ |
| typeOfName | pseudonym ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Al Sobrante Description of subject: Al Sobrante is the stage name of John Kiffmeyer, the original drummer for the American punk rock band Green Day.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.