In this task, you're given a context, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both context and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the context or linked information.

[EX Q]: Context: Massey joined the Canadian Army at the outbreak of World War I, Link Information: First World War, the Great War, the Seminal Catastrophe, and initially in North America as the European War, was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918. Answer: 4
[EX A]: How long did the war in which Massey joined the Canadian Army last?

[EX Q]: Context: . To reach the regional final, LSU defeated future SEC rival Arkansas, coached at the time by Eddie Sutton, who would tangle with Brown for four seasons at Kentucky. Link Information: In 1985, Eddie Sutton succeeded Joe B. Hall. Answer: 3
[EX A]: In what seasons did Eddie Sutton coach at Kentucky?

[EX Q]: Context: Arthur Aloysius O'Leary was born on September 27, 1887, in Washington, D.C. His father was a worker on the Baltimore and Ohio Railroad. Link Information: its first section opening in 1830 Answer: 57
[EX A]:
How long had Arthur's father's place of employment existed when Arthur was born?