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: In spring 1971, Alabama assistants Mal Moore and Jimmy Sharpe traveled to Austin where they saw first hand how the wishbone operated Link Information: At Alabama, Moore began as Bryant's graduate assistant in 1964, Question: How long had Mal Moore been an Alabama assistant the year he travelled to Austin to see how the wishbone worked?
Student:
Answer: 7