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 : The 2005 FIFA Club World Championship Final was a football match played between São Paulo of Brazil, the CONMEBOL club champions, and Liverpool of England, the UEFA club champions, on 18 December 2005 at the International Stadium, Yokohama, Japan. 
Subject : 2005 FIFA Club World Championship Final 
Relation : point in time

Ex Output:
On what date did 2005 FIFA Club World Championship Final occur?


Ex Input:
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

Ex Output:
In what year did Stoner 63 enter service?


Ex Input:
Context : Milka is a traditional brand of chocolate confection which originated in Switzerland in 1825 and has been manufactured internationally by the US confectionery company Mondelēz International (formerly known as Kraft Foods) since 1990. 
Subject : Milka 
Relation : parent company

Ex Output:

Which company is the parent company of Milka?