instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Charles Bingley was a character in what classic Jane Austen novel?
answer:
charles bingley


question:
Andy Schleck competes in what sport at an international level?
answer:
andy schleck


question:
In Greek mythology who was the son of Zeus and Alcmene?
answer:

alcmene