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 |
| --- | --- | --- | --- | --- | --- |
| 1.0 | United States | 20.0 | 14.0 | 8.0 | 42.0 |
| 2.0 | Argentina | 4.0 | 3.0 | 2.0 | 9.0 |
| 3.0 | Chile | 2.0 | 1.0 | 6.0 | 9.0 |
| 4.0 | Brazil | 1.0 | 1.0 | 5.0 | 7.0 |
| 5.0 | Cuba | 1.0 | 1.0 | 3.0 | 5.0 |
| 6.0 | Guatemala | 1.0 | 0.0 | 1.0 | 2.0 |
| 7.0 | Mexico | 0.0 | 2.0 | 2.0 | 4.0 |
| 8.0 | Venezuela | 0.0 | 2.0 | 1.0 | 3.0 |
| 9.0 | Jamaica | 0.0 | 2.0 | 0.0 | 2.0 |
| 10.0 | Trinidad and Tobago | 0.0 | 1.0 | 1.0 | 2.0 |
| 11.0 | Uruguay | 0.0 | 1.0 | 0.0 | 1.0 |
| 11.0 | Colombia | 0.0 | 1.0 | 0.0 | 1.0 |
| 13.0 | Puerto Rico | 0.0 | 0.0 | 1.0 | 1.0 |
Question:
How many silver medals did the country that won 20 gold medals win in the 1955 Pan American Games?
Answer:
14.0