Detailed Instructions: 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'.
Q: Context: Smith was president of the local branch of the Labor Party until 1917, when he left the party. Link Information: none Question: How many years did Smith serve as president of his local branch of the Labor Party?
A:
Answer: none