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.

Q: Context : The Stoner 63, also known as the M63, XM22, XM23, XM207 or the Mk 23 Mod 0 machine gun, is an American modular weapons system designed by Eugene Stoner in the early 1960s. 
Subject : Stoner 63 
Relation : service entry

A: In what year did Stoner 63 enter service?
****
Q: Context : The Grim Adventures of Billy & Mandy is a fighting game based on the television series of the same name. 
Subject : The Grim Adventures of Billy & Mandy 
Relation : original network

A: What was the station that aired The Grim Adventures of Billy & Mandy?
****
Q: Context : Paula Vogel (born November 16, 1951) is an American playwright and university professor. 
Subject : Paula Vogel 
Relation : sex or gender

A:
What was the gender of Paula Vogel?
****