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.
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Question: 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

Answer: In what military branch did Hans Lotter serve?


Question: Context : ISO 3166-2:NI is the entry for Nicaragua in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1. 
Subject : ISO 3166-2:NI 
Relation : standards body

Answer: Who set the standards for ISO 3166-2:NI?


Question: Context : Nat Towles (August 10, 1905 -- January 1963) was an African-American musician, jazz and big band leader popular in his hometown of New Orleans, Louisiana, North Omaha, Nebraska and Chicago, Illinois. 
Subject : Nat Towles 
Relation : residence

Answer:
What city is Nat Towles from?