col : rank | nation | gold | silver | bronze | total row 1 : 1 | australia (aus) | 2 | 1 | 0 | 3 row 2 : 2 | italy (ita) | 1 | 1 | 1 | 3 row 3 : 3 | germany (eua) | 1 | 0 | 1 | 2 row 4 : 4 | soviet union (urs) | 1 | 0 | 0 | 1 row 5 : 5 | switzerland (sui) | 0 | 2 | 1 | 3 row 6 : 6 | united states (usa) | 0 | 1 | 0 | 1 row 7 : 7 | great britain (gbr) | 0 | 0 | 1 | 1 row 8 : 7 | france (fra) | 0 | 0 | 1 | 1
which countries ranked in the top 7 for equestrian events at the 1960 summer olympics? which countries won at least one silver medal?
australia (aus), italy (ita), switzerland (sui), united states (usa)
Rank Nation Gold Silver Bronze Total
which countries won at least one silver medal?
1 Australia (AUS) 2 1 0 3
2 Italy (ITA) 1 1 1 3
3 Germany (EUA) 1 0 1 2
4 Soviet Union (URS) 1 0 0 1
5 Switzerland (SUI) 0 2 1 3
6 United States (USA) 0 1 0 1
7 Great Britain (GBR) 0 0 1 1
7 France (FRA) 0 0 1 1
Australia (AUS) Italy (ITA) Switzerland (SUI) United States (USA)
which countries won at least one silver medal? || which countries ranked in the top 7 for equestrian events at the 1960 summer olympics?