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 1979 south american championships? which of these earned at least one silver medal? how many silver medals did uruguay earn? of these nations, which one earned the same number of silver medals?
peru
Rank Nation Gold Silver Bronze Total
of these nations, which one earned the same number of silver medals?
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 nations, which one earned the same number of silver medals? || how many silver medals did uruguay earn? | which of these earned at least one silver medal? | which nations competed in the 1979 south american championships?