instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Which SF author wrote The Day it Rained Forever?
answer:
the day it rained forever


question:
Who was the scheming wife of the Roman emperor Claudius?
answer:
claudius


question:
Who retired from the 'Eggheads' team in May 2014?
answer:

eggheads