instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
What is the nationality of Chelsy Davy, former girlfriend of Prince Harry?
answer:
chelsy davy

question:
Who was the only child vampire in Anne Rice's novels?
answer:
anne rice

question:
Who composed the 1928 symphonic poem An American in Paris?
answer:
an american in paris