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

[EX Q]: What city was the capital of the Confederacy for most of the Civil War?
[EX A]: confederate states of america

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

[EX Q]: Which city was awarded the 2020 Summer Olympics last month, beating Istanbul and Madrid ?
[EX A]:
2020 summer olympics