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 : On November 21, 2013, the official Instagram Beta for Windows Phone was released to Windows Phone 8 to allow Windows Phone users faster access to Instagram services; although, at the time of release, the app was still under development. 
Subject : Instagram 
Relation : parent company

A: What is Instagram's parent company?
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Q: 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

A: What is Caterina Sforza's spouse's name?
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Q: Context : The 27th Armoured Brigade was an armoured brigade of the British Army that served in World War II and played a crucial role in the D-Day landings on 6 June 1944 and the following Battle of Normandy until disbandment in late 1944. 
Subject : 27th Armoured Brigade 
Relation : military branch

A:
What was the military branch for 27th Armoured Brigade?
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