Waldorf Astor, 2nd Viscount Astor

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.

Subject: Waldorf Astor, 2nd Viscount Astor
Description of subject: Waldorf Astor, 2nd Viscount Astor was a British Conservative politician, newspaper proprietor, and influential member of the Anglo-American Astor dynasty who became the first person to sit in Parliament representing the constituency later famously held by his wife, Nancy Astor.