TASK DEFINITION: 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'.
PROBLEM: Context: and Julius and Ethel Rosenberg, U.S. citizens executed in 1953 after conviction of espionage Link Information: Julius F2P was born on May 12, 1918, Question: How old was Julius Rosenberg when he was executed?

SOLUTION: Answer: 35

PROBLEM: 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"?

SOLUTION: Answer: none

PROBLEM: Context: The BBC televised the final again shown on Grandstand and with Ted Lowe commentating the match. Link Information: Britain's first live public broadcast was made from the factory of Marconi's Wireless Telegraph Company in Chelmsford in June 1920. Question: When did the network that televised the final again shown on Grandstand and with Ted Lowe first begin broadcasting?

SOLUTION:
Answer: 1920