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'.
Input: Context: The city of Erzurum would be captured by the Russians a few months later, on 8 February 1878. Link Information: Ahmed Muhtar Pasha (;‎ 1 November 1839 – 21 January 1919) was a prominent Ottoman field marshal Question: How old was the Ottoman commander when the city of Erzurum was captured by the Russians?
Output:
Answer: 39