You will be given a definition of a task first, then some input of the task.
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: She was involved with early versions of the Clash and the Damned and played in short-lived bands such as Masters of the Backside (1976) Link Information: The band is only known to have performed once, before a small invited audience in a church hall in Lisson Grove, London. Question: How long did the Masters of the Backside exist as a band?
Output:
Answer: 1