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: Charles Darwin  answers:  ['On evolution']

SOLUTION: what book did charles darwin write on evolution?

PROBLEM: concept: Saki  answers:  ['United Kingdom']

SOLUTION: where did saki live?

PROBLEM: concept: Philadelphia Phillies  answers:  ['1883']

SOLUTION:
when were the phillies founded?