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

[EX Q]: What American swimmer won eight gold medals at the 2008 Olympics?
[EX A]: 2008 summer olympics

[EX Q]: In which Shakespeare play do the characters Ajax, Achilles and Ulysses appear?
[EX A]: achilles

[EX Q]: American jazz musician Art Tatum excelled on which instrument?
[EX A]:
art tatum