Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Rank | Nation | Gold | Silver | Bronze | Total |
| --- | --- | --- | --- | --- | --- |
| 1 | United States (USA) | 5 | 0 | 0 | 5 |
| 2 | Italy (ITA) | 1 | 1 | 1 | 3 |
| 3 | Poland (POL) | 1 | 1 | 0 | 2 |
| 4 | Finland (FIN) | 1 | 0 | 4 | 5 |
| 5 | Czechoslovakia (TCH) | 1 | 0 | 0 | 1 |
| 5 | Hungary (HUN) | 1 | 0 | 0 | 1 |
| 7 | Soviet Union (URS) | 0 | 2 | 4 | 6 |
| 8 | South Africa (RSA) | 0 | 1 | 3 | 4 |
| 9 | Argentina (ARG) | 0 | 1 | 1 | 2 |
| 9 | Germany (GER) | 0 | 1 | 1 | 2 |
| 9 | Romania (ROU) | 0 | 1 | 1 | 2 |
| 9 | Sweden (SWE) | 0 | 1 | 1 | 2 |
| 13 | Ireland (IRL) | 0 | 1 | 0 | 1 |
| 14 | Bulgaria (BUL) | 0 | 0 | 1 | 1 |
| 14 | Denmark (DEN) | 0 | 0 | 1 | 1 |
| 14 | France (FRA) | 0 | 0 | 1 | 1 |
| 14 | South Korea (KOR) | 0 | 0 | 1 | 1 |
Question:
which nation won the most silver medals?
Answer:
Soviet Union (URS)