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

[EX Q]: Charon is a moon which orbits which body?
[EX A]: charon

[EX Q]: Austin is the state capitol of which US State?
[EX A]: austin, texas

[EX Q]: What American actor, born on Dec 8, 1936, was equally famous for his role as Caine on TVs Kung Fu and for dying in a Bangkok hotel closet in a case of autoerotic asphyxiation gone awry?
[EX A]:
erotic asphyxiation