You will be given a context, a subject and a relation. Your task is to generate a question based on the subject and relation. The generated question should include the given subject. Try to use a minimum number of words that are not present in either context, subject or relation while generating question.

Q: Context : Hansgeorg Bätcher (13 January 1914 -- 23 April 2003) was a highly decorated Oberstleutnant bomber pilot in the Luftwaffe during World War II, and one of only 882 recipients of the Knight's Cross of the Iron Cross with Oak Leaves. 
Subject : Hansgeorg Bätcher 
Relation : conflict

A: What is the war during which Hansgeorg Bätcher was in the armed forces?
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Q: Context : Chapter 3 says that Odin had two brothers, Vé and Vili. 
Subject : Odin 
Relation : spouse

A: What is Odin's spouse's name?
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Q: Context : The GER Class 127 was a class of a solitary experimental 0-6-0 compound steam locomotive built by the Great Eastern Railway at its Stratford Works in 1888. 
Subject : GER Class 127 
Relation : service entry

A:
Which was the official year for the approval of GER Class 127?
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