TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Although it was headquartered at Oak Ridge, TN, and the University of Chicago, what was the name of the WWII project that created the atomic bomb?

SOLUTION: nuclear weapon

PROBLEM: Which Beatle played Youngman Grand in The Magic Christian 1969, with Peter Sellers?

SOLUTION: the beatles

PROBLEM: In 2014 Cate Blanchett won an acting Oscar for which film?

SOLUTION:
cate blanchett