instruction:
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.
question:
Context : William Carleton Watts (February 18, 1880--January 5, 1956) was a rear admiral in the United States Navy, who served in the Spanish--
Subject : William Carleton Watts
Relation : military branch
answer:
What army was William Carleton Watts a part of?

question:
Context : John Relyea is a 1998 graduate of the Curtis Institute of Music in Philadelphia.
Subject : John Relyea
Relation : educated at
answer:
The college John Relyea attended was what?

question:
Context : The Buk-1 was adopted into service in 1978 following completion of state trials, while the complete Buk missile system was accepted into service in 1980 after state trials took place between 1977 and 1979.
Subject : Buk missile system
Relation : service entry
answer:
Which was the official year for the approval of Buk missile system?