col : rank | nation | gold | silver | bronze | total row 1 : 1 | cuba | 4 | 3 | 2 | 9 row 2 : 2 | canada | 4 | 2 | 1 | 7 row 3 : 3 | united states | 2 | 0 | 2 | 4 row 4 : 4 | mexico | 1 | 1 | 0 | 2 row 5 : 5 | ecuador | 1 | 0 | 0 | 1 row 6 : 6 | argentina | 0 | 4 | 3 | 7 row 7 : 7 | brazil | 0 | 2 | 2 | 4 row 8 : 8 | chile | 0 | 0 | 1 | 1 row 9 : 8 | venezuela | 0 | 0 | 1 | 1 row 10 : total | total | 12 | 12 | 12 | 36
which nations won a gold medal in canoeing in the 2011 pan american games? which of these did not win any silver medals?
united states
Rank Nation Gold Silver Bronze Total
which of these did not win any silver medals?
1 Cuba 4 3 2 9
2 Canada 4 2 1 7
3 United States 2 0 2 4
4 Mexico 1 1 0 2
5 Ecuador 1 0 0 1
6 Argentina 0 4 3 7
7 Brazil 0 2 2 4
8 Chile 0 0 1 1
8 Venezuela 0 0 1 1
Total Total 12 12 12 36
United States
which of these did not win any silver medals? || which nations won a gold medal in canoeing in the 2011 pan american games?