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'.
Q: Context: On 17 May 1939, 200 specially-selected Nationalist troops conveyed the relics to Yan'an, Link Information: Mao Zedong (; 26 December 18939 September 1976) Question: How old was Mao Zedong when the Nationalist troops conveyed the relics to Yan'an?
A:
Answer: 46