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 had hits with Stepping Out and Different For Girls?
answer:
different for girls


question:
Which city, known for its manufacture of swords and knives, is the capital of the Spanish region of Castile-La- Mancha?
answer:

castilla-la mancha