In this task, you're given a passage, 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'.
Q: Passage: De Boer became a Member of the House of Representatives after resignation of Joop Bakker, taking office on 16 February 1972 serving as a frontbencher chairing the and the and spokesperson for Small business, Civil Service, Fisheries, Culture, Media and Military Personnel. De Boer also Chairman of the Anti-Revolutionary Party from 13 December 1975 until 27 September 1980. After the election of 1977 the Christian Democratic Appeal and the People's Party for Freedom and Democracy (VVD) formed the Cabinet Van Agt-Wiegel, De Boer and several Christian Democratic Appeal Members of the House of Representatives were critical on the coalition agreement and formed a informal caucus in there own parliamentary group called the that supported the cabinet only with confidence and supply. After the election of 1981 De Boer was appointed as State Secretary for Culture, Recreation and Social Work the Cabinet Van Agt II, taking office on 11 September 1981. The Cabinet Van Agt II fell just seven months into its term on 12 May 1982 after months of tensions in the coalition and continued to serve in a demissionary until the first cabinet formation of 1982 when it was replaced by the caretaker Cabinet Van Agt III with De Boer appointed as Minister of Culture, Recreation and Social Work, taking office on 29 May 1982. After the election of 1982 De Boer returned as a Member of the House of Representatives, taking office on 16 September 1982. De Boer took a medical leave of absence on 11 October 1982 after which Minister of Health and Environment Til Gardeniers-Berendsen served as acting Minister of Culture, Recreation and Social Work. Following the second cabinet formation of 1982 De Boer was not giving a cabinet post in the new cabinet, the Cabinet Van Agt III was replaced by the Cabinet Lubbers I on 4 November 1982 and he continued to serve in the House of Representatives as a frontbencher and spokesperson for Welfare, Sport, Social Work and Culture.
Link Information: De Boer took a medical leave of absence on 11 October 1982 after which Minister of Health and Environment Til Gardeniers-Berendsen Question: What is the age difference between the man De Boer replaced in February of 1972 and the man who replaced De Boer during his medical leave of absense?
A:
Answer: 6