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 English comedian has joined Amanda Holden as one of the judges on the current series of 'Britain's Got Talent'?

SOLUTION: britain's got talent

PROBLEM: In which town in California is Disneyland?

SOLUTION: disneyland

PROBLEM: 'The Angel of the North' is the work of which British sculptor?

SOLUTION:
sculpture