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: Bush and Yeltsin met in February 1992, declaring a new era of "friendship and partnership". Link Information: none Question: What was the GDP of Russia the year Bush and Yeltsin met and declared a new era of "friendship and partnership"?

A: Answer: none
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Q: Context: Civil War Unknowns Monument Link Information: The Civil War Unknowns Monument, which was located south-southwest of Arlington House, was covered by a canopy. Question: In what year was the Civil War Unknowns Monument built?

A: Answer: 1865 
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Q: Context: Brown was born on 15 April 1948, in Tangier, Morocco. His father flew Spitfires during World War II Link Information: none Question: How many years after his father flew Spitfires was Brown born?

A:
Answer: none
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