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 : Admiral Frank Jack Fletcher died on April 25, 1973, four days before his 88th birthday at the Bethesda Naval Hospital in Bethesda, Maryland. 
Subject : Frank Jack Fletcher 
Relation : military branch

Answer: Which entity was Frank Jack Fletcher a part of?


Question: Context : Sara Netanyahu (Hebrew: שרה נתניהו‎; born 5 November 1958) is the wife of Israeli Prime Minister Benjamin Netanyahu. 
Subject : Sara Netanyahu 
Relation : spouse

Answer: What is Sara Netanyahu's spouse's name?


Question: Context : The French police continued to use the MAS-38 after World War II until it was replaced in the 1950s by the MAT-49 submachine gun. 
Subject : MAS-38 
Relation : service entry

Answer:
In what year did MAS-38 enter service?