TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Better known as an actor, who directed the film `A Bronx Tale`?

SOLUTION: a bronx tale

PROBLEM: What is the county town of Derbyshire?

SOLUTION: derbyshire

PROBLEM: Which movie was a biopic about the life of David Helfgott?

SOLUTION:
david helfgott