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

[Q]: Ornette Coleman, Louis Armstrong and Charles Mingus are associated with what style of music?
[A]: charles mingus


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


[Q]: On the BBC programme of the same name about failing businesses, who is 'The Fixer'?
[A]:
bbc