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'.

Context: The current Constitution of the Republic of China was adopted by the National Assembly in 1947 Link Information: The National Assembly of the Republic of China was founded in 1913 Question: How long had the National Assembly been active at the time they adopted the Constitution of the Republic of China?
Answer: 34