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 Suomi KP/-31 (Suomi-konepistooli or ``Submachine-gun Finland'') was a submachine gun (SMG) of Finnish design used during World War II. It was a descendant of the M-22 prototype and the KP/-26 production model, which was revealed to the public in 1925. 
Subject : Suomi KP/-31 
Relation : service entry

Ex Output:
What was the year that Suomi KP/-31 entered service?


Ex Input:
Context : Sara Netanyahu (Hebrew: שרה נתניהו‎; born 5 November 1958) is the wife of Israeli Prime Minister Benjamin Netanyahu. 
Subject : Sara Netanyahu 
Relation : spouse

Ex Output:
What is Sara Netanyahu's spouse's name?


Ex Input:
Context : Vueling was established in February 2004 and commenced operations on 1 July 2004 with a flight between Barcelona and Ibiza. 
Subject : Vueling 
Relation : parent company

Ex Output:

What company is Vueling part of?