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 : Conolly Abel Smith (as he was usually known) was the second son of Eustace Abel Smith, JP, a banker of Longhills House, Branston, Lincolnshire, and Aileen Geta Katherine Conolly, the daughter of Colonel John Augustus Conolly, VC.
Subject : Conolly Abel Smith
Relation : military branch
A:
What branch was Conolly Abel Smith part of?