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'.
Input: Context: Following the Descendents' final tours in spring and summer 1987, singer Milo Aukerman had left the band to pursue a career in biochemistry. Link Information: Aukerman's first recording with Descendents was the Fat EP, released in 1981. Question: How long had Milo Aukerman been with the Descendent's before quitting?
Output:
Answer: 6