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:
Denzil Washington played which black militant leader in the 1992 film of the same name?
answer:
denzel washington


question:
Who composed the opera Don Giovanni?
answer:

don giovanni