Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

[EX Q]: Which of the American Idol judges has been there for all 10 seasons?
[EX A]: american idol

[EX Q]: Which Frenchman composed Clair de lune, the famous third movement of Suite bergamasque?
[EX A]: suite bergamasque

[EX Q]: Who played 'Sabrina Duncan' in the 1970's TV series 'Charlie's Angels'?
[EX A]:
charlie's angels