officiatedLeagueChampionshipSeries

Given a predicate that represents a relationship or action between entities, generate a one-sentence description explaining its meaning.  
# Instructions
Focus on describing the relationship, not the entities themselves. 
# Response Format
Begin the description with \' Indicates...\'

Predicate: officiatedLeagueChampionshipSeries

Indicates that an entity served as the official (e.g., referee or umpire) in charge of overseeing a league’s championship series.