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: West Suffield Mountain is also an important raptor migration path. Link Information: the sedimentary rock of the ridge and surrounding terrain has produced equally significant evidence of prehistoric life in the form of Triassic and Jurassic fossils; in particular, dinosaur tracks Question: What dinosaurs migrated across West Suffield Mountain?

A: Answer: Triassic and Jurassic 
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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
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Q: Context: Alongside Arnold Wilkins, Airey is credited with having discovered Bawdsey Manor, Ordfordnessas a site for the Air Ministry department that was significant in the history of radar. Link Information: Bawdsey Manor stands at a prominent position at the mouth of the River Deben close to the village of Bawdsey in Suffolk, England, about 74 mi northeast of London. 
Built in 1886 Question: When was the manor that Airey discovered with Arnold Wilkins built?

A:
Answer: 1886
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