TASK DEFINITION: You are given a concept, and a list of answers. You should generate a question about the concept that leads to the given answer(s).
PROBLEM: concept: Greece  answers:  ['Greek drachma']

SOLUTION: what money system does greece use?

PROBLEM: concept: Masters  answers:  ['London']

SOLUTION: who won the 2012 snooker masters?

PROBLEM: concept: Peter Griffin  answers:  ['Seth MacFarlane']

SOLUTION:
who voice acts peter griffin?