instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
What was the currency of Austria before the Euro?
answer:
austria


question:
Physics. What is the SI unit for amount of substance?
answer:
amount of substance


question:
Deborah Kerr plays governess Anna Leonowens in which 1956 film?
answer:

deborah kerr