TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: The Battle of Poltava in 1709 was a victory by Peter the Great over which state?

SOLUTION: battle of poltava

PROBLEM: What role is played by Elizabeth Hurley in the 2000 film Bedazzled?

SOLUTION: bedazzled

PROBLEM: Duke D'Mond, who died aged 66 in 2009, was lead singer of which successful UK comedy pop group?

SOLUTION:
duke d'mond