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: In 1180, Ingvar Yaroslavich joined Ryurik Rostislavich in his struggle against Sviatoslav Vsevolodovich of Chernihiv. Link Information: none Question: How old was Ryurik Rostislavich when Ingvar joined him in 1180?
Answer: none

Context: Having obtained permission from Bishop James Warren Doyle, Quarter departed from Ireland in April 1822 and later landed at Quebec, Canada. Link Information: James Warren Doyle, O.E.S.A. (17861834) Question: How old was the Bishop that gave Quarter permission to leave and be a missionary?
Answer: 36

Context: Gauda was once the "capital of the ancient bhukti or political division of Bengal known as Pundravardhana which lay on the eastern extremity of the Gupta Empire. Link Information: The Bengal Sultanate ended during the Battle of Rajmahal in 1576 Question: When was the city of Gauda finally abandoned?
Answer: 1576