Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

Q: Which singer provides the voice for Chef in South Park?

A: chef
****
Q: In what story of Arthur C. Clarke do Tibetan monks seek to list all the names of God as they believe He will bring the Universe to an end once this is done?

A: arthur c. clarke
****
Q: Which of these was the title of a 1957 hit for Chuck Willis?

A:
chuck willis
****