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 | Cuba | 8.0 | 9.0 | 7.0 | 24.0 |
| 2.0 | Mexico | 7.0 | 6.0 | 8.0 | 21.0 |
| 3.0 | Puerto Rico | 4.0 | 4.0 | 3.0 | 11.0 |
| 4.0 | Guatemala | 1.0 | 1.0 | 1.0 | 3.0 |
| 5.0 | Panama | 0.0 | 0.0 | 1.0 | 1.0 |
Question:
How many Silver medals did nation who is ranked greater than 1 and has 4 Gold medals have?
Answer:
4.0