Table:
text: Canada at the 2010 Winter Olympics
Women's tournament
Luge
Position_ Height_cm Weight_kg Birthplace _2009_10_team
F 165 63 Kingston, Ontario Brampton Thunder
F 170 74 Thunder Bay , Ontario Minnesota-Duluth Bulldogs
F 170 61 Sudbury , Ontario Cornell Big Red
F 172 62 Uranium City, Saskatchewan Calgary Oval X-Treme
F 180 78 Montreal , Quebec Montreal Stars
F 167 75 Toronto , Ontario Calgary Oval X-Treme
F 167 73 Beauceville, Quebec Dawson Blues
F 167 63 Sherbrooke , Quebec Harvard Crimson
F 177 77 Shaunavon, Saskatchewan Eskilstuna Linden

Question: What is the sum of the heights for the Cornell Big Red in Canada at the 2010 Winter Olympics?