TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: The song Don't Rain On My Parade features in which musical?

SOLUTION: don't rain on my parade

PROBLEM: The bells were ringing for Chuck Berry when this song made it to No1. His first and only British No. 1. What song?

SOLUTION: chuck berry

PROBLEM: What is the capital of Curacao?

SOLUTION:
curacao