Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.

Ex Input:
'Hey Ya' was a 2003 hit for which US duo?

Ex Output:
outkast

Ex Input:
The Ghost Road by Pat Barker, which won the Booker Prize in 1995, is the third volume in which trilogy?

Ex Output:
regeneration trilogy

Ex Input:
What was the artistic profession of Emily Dickinson?

Ex Output:
poet