Table:
text: List of United States national ice hockey team rosters
Canada Cup
1984 Canada Cup
Position_ Jersey_ Name_ Height_cm Weight_kg Birthdate Birthplace _1983_1984_Team
G 31 Tom Barrasso 190 95 March 31, 1965 Boston, Massachusetts Buffalo Sabres
G 1 Glenn Resch 175 88 July 10, 1948 Moose Jaw, Saskatchewan , Canada New Jersey Devils
D 21 Chris Chelios 185 86 January 25, 1962 Evergreen Park, Illinois Montreal Canadiens
D 2 Mark Fusco 175 82 March 12, 1961 Woburn, Massachusetts Hartford Whalers
D 22 Tom Hirsch 193 95 January 27, 1963 Minneapolis, Minnesota Minnesota North Stars
D 4 Phil Housley 178 84 September 3, 1964 South St. Paul, Minnesota Buffalo Sabres

Question: From the United States national ice hockey team list for the 1984 Canada Cup, what is the tallest height (cm) of a 1983-1984 Montreal Canadiens team with a jersey less than 21?