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 | Brazil | 13 | 18 | 12 | 43 |
| 2 | Argentina | 7 | 4 | 7 | 18 |
| 3 | Chile | 7 | 2 | 3 | 12 |
| 4 | Colombia | 5 | 5 | 4 | 14 |
| 5 | Venezuela | 4 | 6 | 6 | 16 |
| 6 | Uruguay | 1 | 1 | 0 | 2 |
| 7 | Peru | 0 | 1 | 0 | 1 |
| 8 | Panama | 0 | 0 | 2 | 2 |
| 8 | Bolivia | 0 | 0 | 2 | 2 |
| 10 | Paraguay | 0 | 0 | 1 | 1 |
Question:
what was the difference between the gold medal count of brazil and argentina?
Answer:
6