instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Which novel by A J Cronin is credited with laying down the foundation in Great Britain for the introduction of the National Health Service?
answer:
a. j. cronin


question:
In which range of mountains are the two highest peaks Aconcagua and Ojos Del Salado?
answer:
aconcagua


question:
Who was the President of Costa Rica between 2006 and 2010?
answer:

costa rica