Given the task definition and input, reply with output. 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: He studied composition from 1946 to 1949 at the National Conservatory (under the direction of Henri Busser Link Information: Henri Busser (16 January 1872 in Toulouse 30 December 1973 in Paris) Question: How old was Henri Busser the first year that Raffaello de Banfield studied composition under his direction?
Answer: 36