TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: What is the capital city of Colombia?

SOLUTION: colombia

PROBLEM: In 1867 who became the first Prime Minister of Canada?

SOLUTION: prime minister of canada

PROBLEM: Don Diego de la Vega is the secret name of which Spanish fictional character?

SOLUTION:
don diego de la vega