instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Which film actor became mayor of Carmel, California in 1986?
answer:
carmel-by-the-sea, california


question:
Kronos (or Cronus) was the Greek equivalent of which Roman god?
answer:
cronus


question:
Who wrote the music for the musical A Chorus Line?
answer:

a chorus line