Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.

Ex Input:
Context : The 1982 El Salvador earthquake occurred on 19 June 1982 at 00:21 local time (06:21 UTC).
Answer : 19 June 1982

Ex Output:
When did 1982 El Salvador earthquake occurr?

Ex Input:
Context : Prince Caspian (originally published as Prince Caspian: The Return to Narnia) is a high fantasy novel for children by C. S. Lewis, published by Geoffrey Bles in 1951.
Answer : Narnia

Ex Output:
Which place does Prince Caspian exist in?

Ex Input:
Context : Stelvio Rosi (born 1 August 1938), also known as Stan Cooper, is an Italian former film actor.
Answer : actor

Ex Output:
What was Stelvio Rosi's occupation?