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

[EX Q]: Who is the most famous cartoon creation of Chester Gould?
[EX A]: chester gould

[EX Q]: Who did boxer Floyd Patterson defeat to regain the Heavyweight Championship in June 1960?
[EX A]: boxing

[EX Q]: Which musical instrument did Bix Beiderbecke play?
[EX A]:
bix beiderbecke