Table:
text: List of United States Representatives in the 110th Congress by seniority
U.S. House seniority list
U.S. House seniority
Rank_ Representative Party District Seniority_date Notes_
54 Fred Upton R MI-06 January 3, 1987 
55 Nancy Pelosi D CA-08 June 2, 1987 Speaker
56 Chris Shays R CT-4 August 18, 1987 Left the House in 2009.
57 Jim McCrery R LA-4 April 16, 1988 Ranking member of the Ways and Means Committee , Left the House in 2009
58 Jerry Costello D IL-12 August 9, 1988 
59 John Duncan R TN-2 November 8, 1988 
60 Frank Pallone D NJ-06 November 8, 1988 
61 Eliot Engel D NY-17 January 3, 1989 
62 Paul Gillmor R OH-05 January 3, 1989 Died September 7, 2007
63 Nita Lowey D NY-18 January 3, 1989 

text: List of United States Representatives in the 110th Congress by seniority
U.S. House seniority list
U.S. House seniority
Rank_ Representative Party District Seniority_date Notes_
73 Gene Taylor D MS-4 October 17, 1989 
74 José Serrano D NY-16 March 20, 1990 
75 Rob Andrews D NJ-01 November 6, 1990 
76 Neil Abercrombie D HI-1 January 3, 1991 Previously served from September 1986 to January 1987
77 John Boehner R OH-08 January 3, 1991 Minority Leader
78 Dave Camp R MI-04 January 3, 1991 
79 Bud Cramer D AL-5 Left the House in 2009 January 3, 1991 
80 Rosa DeLauro D CT-3 January 3, 1991 
81 John T. Doolittle R CA-04 January 3, 1991 Left the House in 2009
82 Chet Edwards D TX-17 January 3, 1991

Question: From list of United States Members of the 110th Congress by seniority, what is the difference in rank between Nancy Pelosi and John Boehner?