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

[Q]: Alphabetically, which is the last state in Australia?
[A]: australia


[Q]: Who choreographed the ballets Swan Lake and Don Quixote, among others?
[A]: don quixote


[Q]: Which actress played Cathy Gale in 'The Avengers'?
[A]:
cathy gale