Detailed Instructions: Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.
Problem:Context : Denis Gage Deane-Tanner was the fourth of five children born to Jane O'Brien and British Army Major Kearns Deane-Tanner in what is now Carlow, Ireland.
Answer : British Army
Solution:
Which entity was Denis Gage Deane-Tanner a part of?