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 : Julia Cornelia Salonina (died 268, Mediolanum) was an Augusta, wife of Roman Emperor Gallienus and mother of Valerian II, Saloninus, and Marinianus. 
Subject : Cornelia Salonina 
Relation : spouse

Answer: What is Cornelia Salonina's spouse's name?


Question: Context : ISO 639 is a set of standards by the International Organization for Standardization that is concerned with representation of names for language and language groups. 
Subject : ISO 639 
Relation : standards body

Answer: Who set the standards for ISO 639?


Question: Context : Daddy's Deadly Darling (also titled Pigs, Daddy's Girl, The Strange Love Exorcist and Roadside Torture Chamber) is a 1972 horror film directed by Marc Lawrence and currently distributed by Troma Entertainment. 
Subject : Daddy's Deadly Darling 
Relation : production company

Answer:
The production company responsible for Daddy's Deadly Darling is what?