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

Where is David Cameron's Oxfordshire constituency?
david cameron

In which English city was Damien Hirst born?
damien hirst

For which book published in 1981, did Salman Rushdie win Britain's oldest literary award, The James Tait Black Memorial Prize, as well as the Booker Prize?

salman rushdie