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.

Context : Fred Henry McGuire (November 7, 1890 -- February 4, 1958) was a Hospital Apprentice in the United States Navy and a Medal of Honor recipient for his role in the Philippine-American War. 
Subject : Fred Henry McGuire 
Relation : military branch
Which military branch is Fred Henry McGuire a part of?

Context : Libia Grueso received the Goldman Environmental Prize in 2004. 
Subject : Libia Grueso 
Relation : award received
Which award did Libia Grueso get?

Context : Richard Blackford studied composition with John Lambert at the Royal College of Music and conducting with Norman Del Mar. He spent a number of years as Hans Werner Henze's assistant in Italy, where he received his first commissions while immersed in the European avant-garde. 
Subject : Richard Blackford 
Relation : occupation

What was Richard Blackford's occupation?