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 Input:
Context : ISO 639 is a set of standards by the International Organization for Standardization that is concerned with representation of names for language and language groups. 
Subject : ISO 639 
Relation : standards body

Ex Output:
Who set the standards for ISO 639?


Ex Input:
Context : ISO 3166-2:BA is the entry for Bosnia and Herzegovina 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:BA 
Relation : standards body

Ex Output:
Who set the standards for ISO 3166-2:BA?


Ex Input:
Context : Karl-Erich Berg (30 May 1919 -- 10 June 2001) was a highly decorated Hauptmann in the Wehrmacht during World War II. He was also a recipient of the Knight's Cross of the Iron Cross. 
Subject : Karl-Erich Berg 
Relation : award received

Ex Output:

What was the award received by Karl-Erich Berg?