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: In 1530 John Zapolya appointed him as the provost of the Buda cathedral Link Information: John Zapolya, or John Szapolyai (, , , 1490 or 1491 22 July 1540) Question: How old was Zapolya when he appointed Vrancic as the provost of the Buda cathedral?
Solution:
Answer: 40