TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Making his debut for Sunderland last season, who is the only footballer from Benin ever to play in the Premier League?

SOLUTION: sunderland

PROBLEM: The Battle of Poltava in 1709 was a victory by Peter the Great over which state?

SOLUTION: battle of poltava

PROBLEM: Which show, starring Robert Preston and Barbara Cook on Broadway?

SOLUTION:
robert preston