col : rank | nation | gold | silver | bronze | total row 1 : 1 | brazil | 7 | 5 | 3 | 15 row 2 : 2 | venezuela | 3 | 2 | 8 | 13 row 3 : 3 | colombia | 2 | 3 | 4 | 9 row 4 : 4 | chile | 2 | 0 | 2 | 4 row 5 : 5 | argentina | 1 | 2 | 5 | 8 row 6 : 6 | peru | 1 | 1 | 2 | 4 row 7 : 7 | ecuador | 0 | 2 | 2 | 4 row 8 : 8 | guyana | 0 | 1 | 0 | 1 row 9 : 9 | aruba | 0 | 0 | 1 | 1 row 10 : 9 | netherlands antilles | 0 | 0 | 1 | 1 row 11 : 9 | panama | 0 | 0 | 1 | 1 row 12 : 9 | uruguay | 0 | 0 | 1 | 1 row 13 : total | total | 16 | 16 | 30 | 62
what countries are listed? which countries had at least one silver medal? of those, which countries had exactly one silver medal? of those, which country had no bronze medals?
guyana
Rank Nation Gold Silver Bronze Total
of those, which country had no bronze medals?
1 Brazil 7 5 3 15
2 Venezuela 3 2 8 13
3 Colombia 2 3 4 9
4 Chile 2 0 2 4
5 Argentina 1 2 5 8
6 Peru 1 1 2 4
7 Ecuador 0 2 2 4
8 Guyana 0 1 0 1
9 Aruba 0 0 1 1
9 Netherlands Antilles 0 0 1 1
9 Panama 0 0 1 1
9 Uruguay 0 0 1 1
Total Total 16 16 30 62
Guyana
of those, which country had no bronze medals? || of those, which countries had exactly one silver medal? | which countries had at least one silver medal? | what countries are listed?