instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
The wine-producing region of Hunter Valley is in which Australian state?
answer:
australia


question:
Who follows 'the eight fold path'?
answer:
noble eightfold path


question:
Who played both Flash Gordon and Buck Rogers on film in the 1930s?
answer:

buck rogers