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: Roger Ebert of the Chicago Sun-Times gave the film three stars out of four and wrote that "the musical scenes are the best rock coverage since 'Woodstock. Link Information: He was a film critic for the Chicago Sun-Times from 1967 until his death in 2013. Question: How long did the critic who compared the music in Mad Dogs & Englishmen work for the paper that review was published in?
Output:
Answer: 46