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: Consider Input: Context: Black & White is a non-fiction book written by Shiva Naipaul and published by Hamish Hamilton in the U.K. in 1980. Link Information: Hamish Hamilton Limited was a British book publishing house, founded in 1931  Question: How long had the publisher of Naipaul's book been in business at the time they published it?

Output: Answer: 49


Input: Consider Input: Context: the Japanese government again dispatched Un'yō in September 1875 under the command of Inoue Yoshika to provoke a military response Link Information: none Question: How long did Yoshika command Un'yō?

Output: Answer: none


Input: Consider Input: Context: They first won the belts from Sonny King and Chief Jay Strongbow Link Information: none Question: How long did Sonny King and Jay Strongbow hold their title for before Tanaka took it?


Output: Answer: none