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 country did the dance The Czardas originate?
answer:
csardas


question:
Ageusia is the loss of which sense?
answer:
ageusia


question:
The first ten series of which long running TV drama featured the character Claude Jeremiah Greengrass?
answer:

bill maynard