Table:
text: List of United States national ice hockey team rosters
Men's Olympics
1988 Winter Olympics
Position_ Jersey_ Name_ Height_cm Weight_kg Birthdate Birthplace _1986_1987_Club_Team
D 6 Jeff Norton 190 90 November 25, 1965 Arlington, Massachusetts University of Michigan
D 27 Eric Weinrich 185 93 December 19, 1966 Roanoke, Virginia University of Maine
LW 21 Tony Granato 178 84 July 25, 1964 Hinsdale, Illinois University of Wisconsin
LW 19 Lane MacDonald 180 85 March 3, 1966 Tulsa, Oklahoma Harvard University
LW 32 Kevin Stevens 190 98 April 15, 1965 Brockton, Massachusetts Boston College
C 20 Allen Bourbeau 175 79 May 17, 1965 Worcester, Massachusetts Harvard University
C 17 Clark Donatelli 178 85 October 22, 1965 Providence, Rhode Island Boston University
C 9 Scott Fusco 175 79 January 21, 1963 Woburn, Massachusetts Harvard University

text: List of United States national ice hockey team rosters
Men's Olympics
1988 Winter Olympics
Position_ Jersey_ Name_ Height_cm Weight_kg Birthdate Birthplace _1986_1987_Club_Team
G 1 Mike Richter 180 84 September 22, 1966 Abington, Pennsylvania University of Wisconsin
G 30 Chris Terreri 175 70 November 15, 1964 Providence, Rhode Island Maine Mariners ( AHL )
D 3 Greg Brown 183 86 March 7, 1968 Hartford, Connecticut Boston College
D 23 Guy Gosselin 180 89 January 6, 1964 Rochester, Minnesota University of Minnesota-Duluth
D 26 Peter Laviolette 188 90 December 7, 1964 Norwood, Massachusetts Indianapolis Checkers ( IHL )
D 2 Brian Leetch 185 91 March 3, 1968 Corpus Christi, Texas Boston College

Question: What is the average weight of a player who is less than 175 centimeters tall?