TASK DEFINITION: In this task, you're given a statement, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.
PROBLEM: Context: He was first selected for the Olympic team by Wathik Naji in October, 2002. The former Iraqi national coach picked a squad of twenty-four players from a list of 217 players; A month later, German coach Bernd Stange took over the team and Yassir made his international debut Link Information: Bernd Walter Stange (born 14 March 1948)  Question: How old was the coach who took over the Olympic team that Yassir was on from the coach who selected him in 2002?

SOLUTION: Answer: 54

PROBLEM: Context: palace facades designed by Percy Nobbs, featuring terracotta, granite, bronze and Tyndall stone Link Information: Terracotta is the term normally used for sculpture made in earthenware Question: Which of the materials that the palace facades featured was naturally formed?

SOLUTION: Answer: Tyndall Stone

PROBLEM: Context: Andronikos III deposed his grandfather after a series of conflicts during the 1320s Link Information: Empire's strength waned under his successor, Andronikos II Palaiologos (r. 1282–1328 Question: How old was the man whose grandson later deposed him?

SOLUTION:
Answer: 72