TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Austin is the state capitol of which US State?

SOLUTION: austin, texas

PROBLEM: Aragon and Castile joined to form which country?

SOLUTION: aragon

PROBLEM: Which member of the Royal family is Earl of Carrick and Baron of Renfrew?

SOLUTION:
baron of renfrew