col : rank | nation | gold | silver | bronze | total row 1 : 1 | brazil | 13 | 18 | 12 | 43 row 2 : 2 | argentina | 7 | 4 | 7 | 18 row 3 : 3 | chile | 7 | 2 | 3 | 12 row 4 : 4 | colombia | 5 | 5 | 4 | 14 row 5 : 5 | venezuela | 4 | 6 | 6 | 16 row 6 : 6 | uruguay | 1 | 1 | 0 | 2 row 7 : 7 | peru | 0 | 1 | 0 | 1 row 8 : 8 | panama | 0 | 0 | 2 | 2 row 9 : 8 | bolivia | 0 | 0 | 2 | 2 row 10 : 10 | paraguay | 0 | 0 | 1 | 1
which nations competed in the championships? of these, which earned at least 1 silver medal? of these teams, which earned the same number of medals as uruguay?
peru
Rank Nation Gold Silver Bronze Total
of these teams, which earned the same number of medals as uruguay?
1 Brazil 13 18 12 43
2 Argentina 7 4 7 18
3 Chile 7 2 3 12
4 Colombia 5 5 4 14
5 Venezuela 4 6 6 16
6 Uruguay 1 1 0 2
7 Peru 0 1 0 1
8 Panama 0 0 2 2
8 Bolivia 0 0 2 2
10 Paraguay 0 0 1 1
Peru
of these teams, which earned the same number of medals as uruguay? || of these, which earned at least 1 silver medal? | which nations competed in the championships?