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

[EX Q]: In which country did the dance The Czardas originate?
[EX A]: csardas

[EX Q]: Which of these was the title of Bobby Darin's first million selling single?
[EX A]: bobby darin

[EX Q]: In which Australian state is the seaport of Bunbury?
[EX A]:
bunbury, western australia