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 : Ralph H. Spanjer (September 20, 1920 -- February 8, 1999) was a Major General in the United States Marine Corps. 
Subject : Ralph H. Spanjer 
Relation : military branch
[A]: In what military branch did Ralph H. Spanjer serve?


[Q]: Context : Fritz X was a nickname used both by Allied and Luftwaffe personnel. 
Subject : Fritz X 
Relation : service entry
[A]: What year did Fritz X come into use?


[Q]: Context : Shiira used WebKit for rendering and scripting. 
Subject : Shiira 
Relation : based on
[A]:
Which is the basis of Shiira?