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 : Polly Borland (born 1959) is an Australian photographer who formally resided in England from 1989-2011, now living in Los Angeles. 
Subject : Polly Borland 
Relation : spouse
answer:
What is Polly Borland's spouse's name?


question:
Context : Caterina Sforza (1463 -- 28 May 1509), was an Italian noblewoman and Countess of Forlì and Lady of Imola firstly with her husband Girolamo Riario, and after his death as a regent of her son Ottaviano. 
Subject : Caterina Sforza 
Relation : spouse
answer:
What is Caterina Sforza's spouse's name?


question:
Context : The Thirteenth Floor was a co-production of Columbia Pictures and Centropolis Entertainment. 
Subject : The Thirteenth Floor 
Relation : based on
answer:

The The Thirteenth Floor is based upon what?