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 BBC current affairs programme, the longest-running in the world, is 60 years old this year ?

SOLUTION: bbc

PROBLEM: Who wrote `20,000 Leagues Under The Sea`?

SOLUTION: 20,000 leagues under the sea

PROBLEM: Colin Montgomerie is from which country?

SOLUTION:
colin montgomerie