You will be given a definition of a task first, then some input of the task.
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.

Context : The 12th (Eastern) Division was an infantry division raised by the British Army during the Great War from men volunteering for Kitchener's New Armies.
Answer : British Army
Output:
To which branch did 12th (Eastern) Division belong?