TASK DEFINITION: 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.
PROBLEM: 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

SOLUTION: How long did the war in which Massey joined the Canadian Army last?

PROBLEM: Context: He fought in Operation Barbarossa, the German invasion of the Soviet Union, and claimed his first aerial victory on 8 August 1941. Link Information: none Answer: none

SOLUTION: How many days did Operation Barbarossa last?

PROBLEM: Context: The longest field goal kick in NFL history is 64 yards, a record set by Matt Prater on December 8, 2013 Link Information: Prater holds the NFL record for kicking the longest field goal (64 yards), which he set on December 8, 2013, as a member of the Denver Broncos Answer: Denver Broncos

SOLUTION:
What team did Matt Prater play for when he set the record for the longest field goal in NFL history?