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'.

Context: His father was Army Medical Corps officer Major Walter Reed, namesake of the Walter Reed Army Medical Center. Link Information: Reed died in the Walter Reed Army Medical Center in 1956. Question: How many years after the medical center was named after his father did Reed die in the same center?
Answer: 7

Context: Andrew Yarranton and Ambrose Crowley (a Stourbridge blacksmith and father of the more famous Sir Ambrose) visited Dresden in 1667 Link Information: Andrew Yarranton (1619–1684) Question: How old was Andrew Yarranton when he visited Dresden?
Answer: 17

Context: was a Union Army lieutenant colonel, engineer regiment commander and chief engineer for the defenses of Washington during the Link Information: he served in the Question: Which of the two wars that Barton was in lasted longer?

Answer: American Civil War.