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.
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Question: Context : Decameron Nights is a 1953 anthology Technicolor film based on three tales from The Decameron by Giovanni Boccaccio, specifically the ninth and tenth tales of the second day and the ninth tale of the third.
Subject : Decameron Nights
Relation : based on

Answer: Which is the basis of Decameron Nights?

Question: Context : Bartholomew Diggins died in Washington, D.C. and was buried in Arlington National Cemetery, Arlington County, Virginia.
Subject : Bartholomew Diggins
Relation : military branch

Answer: What military was Bartholomew Diggins a part of?

Question: Context : The Beretta M9, officially the Pistol, Semiautomatic, 9mm, M9, is a 919mm Parabellum pistol adopted by the United States Armed Forces in 1985.
Subject : Beretta M9
Relation : service entry

Answer:
What was the year Beretta M9 entered service?