instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
In which British city would you find Barlinnie prison?
answer:
hm prison barlinnie


question:
Who directed the film Bonnie and Clyde?
answer:
bonnie and clyde


question:
John Taylor and Roger Taylor are members of which band, which at times has also included Andy Taylor, although none of them are related?
answer:

andy taylor