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

Ex Input:
Between 1958 and 1972 all Cliff Richard single records were released on which record label?

Ex Output:
cliff richard

Ex Input:
Which evolutionary biologist wrote The Ancestor's Tale in 2004?

Ex Output:
the ancestor's tale

Ex Input:
Which singer rose to fame as a member of the boy band Dream Street before voicing Theodore in the Chimpunks movies?

Ex Output:
dream street