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.

Ex Input:
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

Ex Output:
What army was William Carleton Watts a part of?


Ex Input:
Context : ``Grumpy Old Man'' is the ninth episode of the tenth season of the American animated sitcom Family Guy. 
Subject : Grumpy Old Man 
Relation : series

Ex Output:
What is the series called that Grumpy Old Man belongs to?


Ex Input:
Context : Production soon followed, entering the armed forces of both countries as the Solothurn S2-200 and Maschinengewehr Solothurn 1930, or MG 30, respectively. 
Subject : MG 30 
Relation : service entry

Ex Output:

What year was MG 30 commissioned?