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 | China | 7.0 | 4.0 | 1.0 | 12.0 |
| 2 | Russia | 2.0 | 4.0 | 4.0 | 10.0 |
| 3 | Thailand | 1.0 | 3.0 | 1.0 | 5.0 |
| 4 | South Korea | 1.0 | 2.0 | 0.0 | 2.0 |
| 5 | Azerbaijan | 1.0 | 0.0 | 0.0 | 1.0 |
| 5 | Chinese Taipei | 1.0 | 0.0 | 0.0 | 1.0 |
| 5 | Iran | 1.0 | 0.0 | 0.0 | 1.0 |
| 5 | Kazakhstan | 1.0 | 0.0 | 0.0 | 1.0 |
| 9 | Romania | 0.0 | 1.0 | 1.0 | 2.0 |
| 10 | Moldova | 0.0 | 1.0 | 0.0 | 1.0 |
| 11 | Qatar | 0.0 | 0.0 | 2.0 | 2.0 |
| 12 | Bulgaria | 0.0 | 0.0 | 1.0 | 1.0 |
| 12 | Dominican Republic | 0.0 | 0.0 | 1.0 | 1.0 |
| 12 | France | 0.0 | 0.0 | 1.0 | 1.0 |
| 12 | Slovakia | 0.0 | 0.0 | 1.0 | 1.0 |
| 12 | United States | 0.0 | 0.0 | 1.0 | 1.0 |
| 12 | Vietnam | 0.0 | 0.0 | 1.0 | 1.0 |
| Total | Total | 15.0 | 15.0 | 15.0 | 45.0 |
Question:
what is the highest gold when the rank is 12 for the nation vietnam?
Answer:
0.0