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

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

[EX Q]: Lopburi, Phichit and Ang Thong are provinces in which Asian country?
[EX A]: phichit

[EX Q]: Which British Prime Minister delivered the 'Winds of Change' speech in 1960?
[EX A]:
wind of change