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.

Q: Context : The Louvre Apollo of Mantua, formerly in the Bibliothèque Mazarine, entered the museum in 1871. 
Subject : Apollo of Mantua 
Relation : based on

A: The Apollo of Mantua is based upon what?
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Q: Context : Circe Invidiosa is a painting by John William Waterhouse completed in 1892. 
Subject : Circe Invidiosa 
Relation : collection

A: What is the name of the place where Circe Invidiosa can be found?
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Q: Context : Merlyn Mantle died of pneumonia at a hospice in Plano, Texas, on August 10, 2009, at the age of 77. 
Subject : Merlyn Mantle 
Relation : spouse

A:
What is Merlyn Mantle's spouse's name?
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