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: The tank landing ship operated out of her new home port, San Diego, until 20 September, including calls at San Francisco, San Pedro, California, Link Information: none Question: Which location in California where the LST-1159 stopped at has a higher land elevation?
[A]: Answer: none


[Q]: Context: In 1978, he became the leading tenor of the Saratov Academic Opera and Ballet Theatre when he performed: Vladimir Igorevich in Borodin's Prince Igor Link Information: It was first performed in St. Petersburg, Russia, in 1890. Question: How many years after its premier did Polozov play Igorevich in Borodin's opera?
[A]: Answer: 82


[Q]: Context: On 30 May 2012, he was named as Mansour Ebrahimzadeh's assistant coach in Naft Tehran. Link Information: On 28 May 2012, he signed a one-year contract with Naft Tehran.  Question: How long was Ebrahimzadeh coach at Naft Tehran?
[A]:
Answer: 1