TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: In which city will the 2014 Tour de France begin?

SOLUTION: 2014 tour de france

PROBLEM: What is the county town of Derbyshire?

SOLUTION: derbyshire

PROBLEM: What song title has been recorded by Mark Ronson and Amy Winehouse, Steve Winwood, Bad Company, Reel Big Fish, and Louisiana Red?

SOLUTION:
reel big fish