Detailed Instructions: 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'.
Problem:Context: William Pugh of ''Kilthrew'' was the Sheriff of Montgomeryshire in 1767 and his son William, who was also Sheriff of Montgomeryshire in 1813 Link Information: The office of High Sheriff of Montgomeryshire was established in 1541 Question: What year did the appointed office that William Pugh of "Kilthrew" and his son once occupied found?
Solution:
Answer: 1541