TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Which race run at Chantilly in June is often referred to as the French Derby?

SOLUTION: chantilly racecourse

PROBLEM: Where is David Cameron's Oxfordshire constituency?

SOLUTION: david cameron

PROBLEM: Beat It and Billie Jean are singles from which Michael Jackson album?

SOLUTION:
single