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 : Sigmund Widmer served as colonel of infantry in the Swiss militia army. 
Answer : infantry
[A]: What organization was Sigmund Widmer involved with?


[Q]: Context : Chinese Take-Away (Spanish: Un cuento chino) is a 2011 Argentine comedy film written and directed by Sebastián Borensztein. 
Answer : Sebastián Borensztein
[A]: Who was the director for Chinese Take-Away?


[Q]: Context : Karl Gratz (24 January 1919 -- 14 March 2002) was an Austrian born Luftwaffe fighter ace and recipient of the Knight's Cross of the Iron Cross (German: Ritterkreuz des Eisernen Kreuzes) during World War II. The Knight's Cross of the Iron Cross was awarded to recognise extreme battlefield bravery or successful military leadership. 
Answer : Luftwaffe
[A]:
What was the military branch for Karl Gratz?