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
what are all the countries? of these countries, which ones won gold medals?
australia (aus), italy (ita), germany (eua), soviet union (urs)
Rank Nation Gold Silver Bronze Total
of these countries, which ones won gold 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
Australia (AUS) Italy (ITA) Germany (EUA) Soviet Union (URS)
of these countries, which ones won gold medals? || what are all the countries?