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

Ex Input:
Alphabetically, which is the last state in Australia?

Ex Output:
australia

Ex Input:
Making his debut for Sunderland last season, who is the only footballer from Benin ever to play in the Premier League?

Ex Output:
sunderland

Ex Input:
What state's capital city is Charleston?

Ex Output:
charleston, west virginia