Teacher: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'.
Teacher: Now, understand the problem? Solve this instance: 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?
Student:
Answer: 7