TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Andy Schleck competes in what sport at an international level?

SOLUTION: andy schleck

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: Who won a Silver medal in the 1988 Olympic Games for 110m hurdles?

SOLUTION:
1988 summer olympics