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

[EX Q]: Which striped or checked cotton cloth takes its name from the Malay word for striped?
[EX A]: cotton

[EX Q]: Who played Lionel Hardcastle in the TV series 'As Time Goes By'?
[EX A]: as time goes by

[EX Q]: Which fictional family live at 742 Evergreen Terrace, Springfield?
[EX A]:
the simpsons house