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 : 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 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
answer:
What was the station that aired The Grim Adventures of Billy & Mandy?


question:
Context : Arnošt Kreuz (or Ernst Kreuz, 9 May 1912 -- 9 February 1974), was a Czech football forward of German origin who played for Czechoslovakia in the 1938 FIFA World Cup. 
Subject : Arnošt Kreuz 
Relation : date of death
answer:

What was the death date of Arnošt Kreuz?