Teacher: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'.
Teacher: Now, understand the problem? Solve this instance: Context: In December 2001 the Leader of the Labour Party and incumbent Prime Minister Kok announced he was stepping down as Leader and that he wouldn't stand for the election of 2002 Link Information: Willem "Wim" Kok (; 29 September 1938 20 October 2018) Question: How old was the Prime Minister when he announced he was stepping down?
Student:
Answer: 63