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? which of those didn't win any gold medals? out of those, which country(s) didn't win any bronze medals?
united states (usa)
Rank Nation Gold Silver Bronze Total
out of those, which country(s) didn't win any bronze medals?
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
United States (USA)
out of those, which country(s) didn't win any bronze medals? || which of those didn't win any gold medals? | which countries won at least one silver medal? | which countries ranked in the top 7 for equestrian events at the 1960 summer olympics?