col : rank | nation | gold | silver | bronze | total row 1 : 1.0 | russia (rus) | 3 | 1 | 1 | 5 row 2 : 2.0 | canada (can) | 2 | 0 | 0 | 2 row 3 : 3.0 | germany (ger) | 1 | 3 | 2 | 6 row 4 : 4.0 | france (fra) | 0 | 1 | 2 | 3 row 5 : 5.0 | belarus (blr) | 0 | 1 | 0 | 1 row 6 : 6.0 | ukraine (ukr) | 0 | 0 | 1 | 1 row 7 : nan | total | 6 | 6 | 6 | 18
what are all the countries in the 1994 winter olympics biathlon? which of these received at least one gold medal?
russia (rus), canada (can), germany (ger)
Rank Nation Gold Silver Bronze Total
which of these received at least one gold medal?
1.0 Russia (RUS) 3 1 1 5
2.0 Canada (CAN) 2 0 0 2
3.0 Germany (GER) 1 3 2 6
4.0 France (FRA) 0 1 2 3
5.0 Belarus (BLR) 0 1 0 1
6.0 Ukraine (UKR) 0 0 1 1
nan Total 6 6 6 18
Russia (RUS) Canada (CAN) Germany (GER)
which of these received at least one gold medal? || what are all the countries in the 1994 winter olympics biathlon?