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.

[EX Q]: Context : Rear Window is a 1954 American mystery thriller film directed by Alfred Hitchcock and written by John Michael Hayes based on Cornell Woolrich's 1942 short story ``It Had to Be Murder''. 
Subject : Rear Window 
Relation : award received
[EX A]: Which award did Rear Window get?

[EX Q]: Context : Karl Gottlieb Bretschneider (February 11, 1776 Gersdorf, Saxony - January 22, 1848 Gotha, Thuringia) was a German Protestant scholar and theologian from Gersdorf, Saxony. 
Subject : Karl Gottlieb Bretschneider 
Relation : occupation
[EX A]: What was Karl Gottlieb Bretschneider's occupation?

[EX Q]: Context : Terry Myerson, executive vice president of Microsoft's Windows and Devices Group, argued that the goal of this model was to reduce fragmentation across the Windows platform, as Microsoft aimed to have Windows 10 installed on at least one billion devices in the two to three years following its release. 
Subject : Windows 10 
Relation : based on
[EX A]:
The Windows 10 is based upon what?