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.

Context : That same month, Singer was approached by Warner Bros. to pitch his idea for Superman Returns, as he was preparing to leave for Hawaii on a short vacation with his X2 writers Michael Dougherty and Dan Harris. 
Subject : Superman Returns 
Relation : production company
What studio produced Superman Returns?

Context : The first USS Comber (SP-344) was a United States Navy minesweeper in commission from 1917 to 1919. 
Subject : USS Comber (SP-344) 
Relation : conflict
In what war did USS Comber (SP-344) fight?

Context : Blonde Comet is a 1941 racing movie directed by William Beaudine and starring Virginia Vale as a female racing driver who competes all over Europe then returns to America where she finds romance with a male driver (Robert Kent) against whom she races. 
Subject : Blonde Comet 
Relation : director

Who was the director of Blonde Comet?