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 : Hans Lotter (17 November 1917 -- 21 November 2008) was a highly decorated Oberleutnant in the Luftwaffe during World War II, and a recipient of the Knight's Cross of the Iron Cross. 
Subject : Hans Lotter 
Relation : military branch

A: In what military branch did Hans Lotter serve?
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Q: Context : Auguste Rodin became a great admirer of his work, and by September 1893 Antoine Bourdelle joined Rodin as his assistant where he soon became a popular teacher, both there and at his own studio where many future prominent artists attended his classes, so that his influence on sculpture was considerable. 
Subject : Antoine Bourdelle 
Relation : occupation

A: What was Antoine Bourdelle's career?
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Q: Context : Cao Fang was a son of Cao Kai (曹楷), the Prince of Rencheng, a son of Cao Zhang. 
Subject : Cao Fang 
Relation : spouse

A:
What is Cao Fang's spouse's name?
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