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: Black & White is a non-fiction book written by Shiva Naipaul and published by Hamish Hamilton in the U.K. in 1980. Link Information: Hamish Hamilton Limited was a British book publishing house, founded in 1931  Question: How long had the publisher of Naipaul's book been in business at the time they published it?
Answer: 49

Context: An excited Bart comes home from school and shows Homer and Marge his delayed entry program form. Link Information: he is voiced by Julie Kavner and first appeared on television in The Tracey Ullman Show short "Good Night" on April 19, 1987 Question: Who are the voice actors who play the roles of Homer and Marge?
Answer: Julie Kavner

Context: After the fourth single release "Willy Use a Billy... Boy", released in 1995 and peaked #5 in Austria Link Information: none Question: How much did "Willy Use a Billy... Boy" gross the year it peaked at #5 in Austria?

Answer: none