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

[EX Q]: Which instrument was Benny Goodman famous for playing?
[EX A]: benny goodman

[EX Q]: Whitney Houston`s husband Bobby Brown was originally a member of which successful band?
[EX A]: bobby brown

[EX Q]: Which pop group have had UK number one hits with 'Bring It Back', 'Never Had A Dream Come True', 'Don't Stop Movin'', and 'Have You Ever'?
[EX A]:
don't stop movin'