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 | Cuba (CUB) | 12.0 | 8.0 | 10.0 | 30.0 |
| 2 | Brazil (BRA) | 9.0 | 5.0 | 9.0 | 23.0 |
| 3 | United States (USA) | 6.0 | 12.0 | 6.0 | 24.0 |
| 4 | Canada (CAN) | 6.0 | 4.0 | 2.0 | 12.0 |
| 5 | Mexico (MEX) | 3.0 | 7.0 | 5.0 | 15.0 |
| 6 | Jamaica (JAM) | 3.0 | 4.0 | 0.0 | 7.0 |
| 7 | Bahamas (BAH) | 2.0 | 2.0 | 2.0 | 6.0 |
| 8 | Ecuador (ECU) | 2.0 | 2.0 | 1.0 | 5.0 |
| 9 | Panama (PAN) | 1.0 | 1.0 | 0.0 | 2.0 |
| 10 | Antigua and Barbuda (ANT) | 1.0 | 0.0 | 2.0 | 3.0 |
| 11= | Netherlands Antilles (AHO) | 1.0 | 0.0 | 0.0 | 1.0 |
| 11= | El Salvador (ESA) | 1.0 | 0.0 | 0.0 | 1.0 |
| 13 | Colombia (COL) | 0.0 | 1.0 | 2.0 | 3.0 |
| 14 | Guatemala (GUA) | 0.0 | 1.0 | 0.0 | 1.0 |
| 15 | Argentina (ARG) | 0.0 | 0.0 | 3.0 | 3.0 |
| 16= | Dominica (DMA) | 0.0 | 0.0 | 1.0 | 1.0 |
| 16= | Dominican Republic (DOM) | 0.0 | 0.0 | 1.0 | 1.0 |
| 16= | Grenada (GRN) | 0.0 | 0.0 | 1.0 | 1.0 |
| 16= | Saint Lucia (LCA) | 0.0 | 0.0 | 1.0 | 1.0 |
| 16= | Trinidad and Tobago (TRI) | 0.0 | 0.0 | 1.0 | 1.0 |
| Total | Total | 47.0 | 47.0 | 47.0 | 141.0 |
Question:
How many bronzes have a Nation of jamaica (jam), and a Total smaller than 7?
Answer:
0.0