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]: The Battle of Poltava in 1709 was a victory by Peter the Great over which state?
[A]: battle of poltava


[Q]: What is the national anthem of Australia ?
[A]:
national anthem of australia