TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Who directed the 2005 film 'Brokeback Mountain'?

SOLUTION: brokeback mountain

PROBLEM: Auld Reekie is the nickname for which Scottish city?

SOLUTION: auld reekie

PROBLEM: Which prophetess, the daughter of Priam, King of Troy, was killed following the fall of Troy by Agamemnon's wife, Clytemnestra?

SOLUTION:
priam