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 : The Yorkshire Mounted Brigade was a formation of the Territorial Force of the British Army, organised in 1908. 
Subject : Yorkshire Mounted Brigade 
Relation : military branch

A: What army did Yorkshire Mounted Brigade serve in?
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Q: Context : Sonia Destri Lie, often known simply as Sonia Destri, is a Brazilian dancer and choreographer. 
Subject : Sonia Destri Lie 
Relation : occupation

A: What was Sonia Destri Lie's occupation?
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Q: Context : ISO 3166-2:SM is the entry for San Marino 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:SM 
Relation : standards body

A:
Who set the standards for ISO 3166-2:SM?
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