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 : The 2015 Canadian Grand Prix, formally known as the Formula 1 Grand Prix du Canada 2015, was a Formula One motor race held on 7 June 2015 at the Circuit Gilles Villeneuve in Montreal, Canada.
Subject : 2015 Canadian Grand Prix
Relation : point in time
answer:
What is the date when 2015 Canadian Grand Prix happened?

question:
Context : Walter Oswald Watt, OBE (11 February 1878 -- 21 May 1921) was an Australian aviator and businessman.
Subject : Oswald Watt
Relation : conflict
answer:
What was the war that Oswald Watt fought in?

question:
Context : The RPG-16 was developed in 1968, and adopted by the Soviet Army in 1970 for special operation teams and the Soviet airborne troops (VDV).
Subject : RPG-16
Relation : service entry
answer:
What year was RPG-16 commissioned?