Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

[EX Q]: Which sprinter lit the Olympic flame at the 2000 Summer Olympic Games in Australia?
[EX A]: 2000 summer olympics

[EX Q]: Can you name the final movie directed by Alfred Hitchcock?
[EX A]: alfred hitchcock

[EX Q]: In which wars did the battles of Towton and Barnet take place?
[EX A]:
battle of barnet