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 : Tolkien fandom is an international, informal community of fans of the works of J. R. R. Tolkien, especially of the Middle-earth deplorable cultus''.
Answer : Middle-earth

Ex Output:
The Tolkien fandom is based upon what?

Ex Input:
Context : An order to enter the BTR-60P into Soviet Army service was issued on 13 December 1959.
Answer : 13 December 1959

Ex Output:
What year did BTR-60 come into use?

Ex Input:
Context : Lampworking differs from glassblowing in that glassblowing uses a furnace as the primary heat source, although torches are also used.
Answer : glassblowing

Ex Output:
What is the product of Lampworking?