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 : In 1961, the first M79 grenade launchers were delivered to the US Army. 
Subject : M79 grenade launcher 
Relation : service entry
[A]: Which was the official year for the approval of M79 grenade launcher?


[Q]: Context : Tomorrow Never Dies (1997) is the eighteenth spy film in the James Bond series, and the second to star Pierce Brosnan as the fictional MI6 agent James Bond. 
Subject : Tomorrow Never Dies 
Relation : based on
[A]: Which is the basis of Tomorrow Never Dies?


[Q]: Context : KBS N (Korean: KBS N) is a South Korean company owned by the Korean Broadcasting System, producing media, broadcast and telecommunication products for non free-to-air networks used under permission registered due to KBS in 1996, including Skylife and Cable TV(KCTA) service providers. 
Subject : KBS N 
Relation : parent company
[A]:
What is KBS N's parent company?