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: He launched Magill magazine in September 1977 with Noel Pearson and Mary Holland. Link Information: Mary Holland (19 June 1935 – 7 June 2004) Question: How old was Mary Holland when Magill magazine was launched?
A: 
Answer: 42