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 Q]: Context : ISIRI 13139 is a standard published by the Institute of Standards and Industrial Research of Iran (ISIRI) in 2011 based on Directive 2009/61/EC.
Answer : Institute of Standards and Industrial Research of Iran
[EX A]: Who set the standards for ISIRI 13139?

[EX Q]: Context : Lee Hall developed Billy Elliot from his play Dancer, which premiered as a rehearsed reading in 1998 at the Live Theatre in Newcastle upon Tyne.
Answer : Newcastle upon Tyne
[EX A]: Which place does Billy Elliot exist in?

[EX Q]: Context : DeathKeep is a video game based on the Dungeons & Dragons fantasy role-playing game.
Answer : Dungeons & Dragons
[EX A]:
Which is the basis of DeathKeep?