Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
--------
Question: Name Alfred Hitchcock's first sound film as director?

Answer: alfred hitchcock


Question: Which country on the West African coast lies between The Democratic Republic of the Congo and Namibia?

Answer: democratic republic of the congo


Question: Which sportsman did tennis,player Chris Evert marry in 2008?

Answer:
chris evert