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: Austin is the state capitol of which US State?

SOLUTION: austin, texas

PROBLEM: In what country is chess thought to have originated?

SOLUTION:
chess