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.

[Q]: Context : Bruno Sutkus (Lithuanian: Bronius Sutkus, 14 May 1924 -- 29 August 2003) was a Lithuanian-German sniper in the 68th Infantry Division of the German Army, on the Eastern Front of World War II, and was credited with 209 kills. 
Answer : World War II
[A]: Which conflict was Bruno Sutkus a part of?


[Q]: Context : Billy the Kid's Fighting Pals (also known as Trigger Men) is a 1941 American western directed by Sam Newfield for Producers Releasing Corporation (PRC), and fifth in PRC's Billy the Kid film series. 
Answer : Producers Releasing Corporation
[A]: What studio produced Billy the Kid's Fighting Pals?


[Q]: Context : Plan 9 from User Space (also plan9port or p9p) is a port of many Plan 9 from Bell Labs libraries and applications to Unix-like operating systems. 
Answer : Plan 9 from Bell Labs
[A]:
The Plan 9 from User Space is based upon what?