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 legal drama starring Martin Shaw ran for six series on BBC TV from 2001?

SOLUTION: martin shaw

PROBLEM: Who played Lionel Hardcastle in the TV series 'As Time Goes By'?

SOLUTION: as time goes by

PROBLEM: Better known as an actor, who directed the film `A Bronx Tale`?

SOLUTION:
a bronx tale