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 | Soviet Union | 3.0 | 6.0 | 3.0 | 12.0 |
| 2 | East Germany | 7.0 | 3.0 | 1.0 | 11.0 |
| 3 | Romania | 3.0 | 3.0 | 3.0 | 9.0 |
| 4 | Hungary | 1.0 | 2.0 | 2.0 | 5.0 |
| 5 | Yugoslavia | 1.0 | 1.0 | 1.0 | 3.0 |
| 6 | Norway | 1.0 | 1.0 | 0.0 | 2.0 |
| 7 | Czechoslovakia | 1.0 | 0.0 | 1.0 | 2.0 |
| 8 | New Zealand | 0.0 | 1.0 | 1.0 | 2.0 |
| 9 | Sweden | 0.0 | 0.0 | 2.0 | 2.0 |
| 10 | United Kingdom | 1.0 | 0.0 | 0.0 | 1.0 |
| 11 | Bulgaria | 0.0 | 1.0 | 0.0 | 1.0 |
| 12 | Austria | 0.0 | 0.0 | 1.0 | 1.0 |
| 13 | Canada | 0.0 | 0.0 | 1.0 | 1.0 |
| 14 | Netherlands | 0.0 | 0.0 | 1.0 | 1.0 |
| 15 | Poland | 0.0 | 0.0 | 1.0 | 1.0 |
| Total | Total | 18.0 | 18.0 | 18.0 | 54.0 |
Question:
What nation has more than 0 silver medals and is ranked 1?
Answer:
Soviet Union