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.

Example Input: Context : Winnie the Pooh and the Honey Tree (1966) Winnie the Pooh and the Blustery Day (1968) Winnie the Pooh and Tigger Too (1974) Winnie the Pooh and a Day for Eeyore (1983) 
Subject : Winnie the Pooh and the Blustery Day 
Relation : based on
Example Output: The Winnie the Pooh and the Blustery Day is based upon what?

Example Input: Context : Fu Pi refused and tried to intercept them, but suffered a major defeat, in which Wang Yong and the major general Juqu Jushizi (沮渠俱石子) were killed, and most of Fu Pi's officials and his wife Empress Yang were captured. 
Subject : Fu Pi 
Relation : spouse
Example Output: What is Fu Pi's spouse's name?

Example Input: Context : The 21st Army Tank Brigade was an armoured brigade formation of the British Army active during World War II. The brigade served with the British First Army and the British Eighth Army during the fighting in Tunisia and Italy. 
Subject : 21st Army Tank Brigade 
Relation : military branch
Example Output:
Who did 21st Army Tank Brigade serve for?