Detailed Instructions: 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: Yakov Hanecki was born in Warsaw, then in the Russian Empire Link Information: The Russian Empire was an empire that extended across Eurasia and North America from 1721, following the end of the Great Northern War, until the Republic was proclaimed by the Provisional Government that took power after the February Revolution of 1917. Question: How long did the empire that ruled Warsaw last?
Solution:
Answer: 196