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.

Context : Carl Gamborg-Andresen was born to Norway and emigrated to the United States. 
Subject : Carl Gamborg-Andresen 
Relation : military branch
What military organization did Carl Gamborg-Andresen belong to?

Context : Triumph of the Nerds was written and hosted by Robert X. Cringely (Mark Stephens) and based on his 1992 book Accidental Empires. 
Subject : Triumph of the Nerds 
Relation : based on
Which is the basis of Triumph of the Nerds?

Context : Noam Okun (Hebrew: נעם אוקון‎; born April 16, 1978, in Haifa, Israel) is a retired professional tennis player. 
Subject : Noam Okun 
Relation : residence

What city is Noam Okun associated with?