col : rank | nation | gold | silver | bronze | total row 1 : 1 | venezuela | 7 | 4 | 3 | 14 row 2 : 2 | bolivia | 2 | 2 | 2 | 6 row 3 : 2 | chile | 2 | 2 | 2 | 6 row 4 : 4 | peru | 1 | 3 | 3 | 7 row 5 : 5 | ecuador | 1 | 1 | 1 | 3 row 6 : 6 | colombia | 0 | 1 | 2 | 3 row 7 : total | total | 13 | 13 | 13 | 39
what are all of the countries? which one has won three silver medals in this competition?
peru
Rank Nation Gold Silver Bronze Total
which one has won three silver medals in this competition?
1 Venezuela 7 4 3 14
2 Bolivia 2 2 2 6
2 Chile 2 2 2 6
4 Peru 1 3 3 7
5 Ecuador 1 1 1 3
6 Colombia 0 1 2 3
Total Total 13 13 13 39
Peru
which one has won three silver medals in this competition? || what are all of the countries?