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: In 1990, he gave up his university post to become a full-time writer when his first novel, The Quincunx, Link Information: none Question: How many copies of Palliser's novel had sold by the time he took the post of Writer in Residence at the University of Poitiers?
Answer: none