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? which of these received no silver or bronze medals?
canada (can)
Rank Nation Gold Silver Bronze Total
which of these received no silver or bronze medals?
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
Canada (CAN)
which of these received no silver or bronze medals? || which of these received at least one gold medal? | what are all the countries in the 1994 winter olympics biathlon?