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 | Brazil | 20.0 | 8.0 | 14.0 | 42.0 |
| 2.0 | United States | 11.0 | 7.0 | 7.0 | 25.0 |
| 3.0 | China | 2.0 | 9.0 | 4.0 | 15.0 |
| 4.0 | Germany | 2.0 | 7.0 | 8.0 | 17.0 |
| 5.0 | Netherlands | 2.0 | 2.0 | 0.0 | 4.0 |
| 6.0 | Russia | 1.0 | 1.0 | 0.0 | 2.0 |
| 6.0 | Spain | 1.0 | 1.0 | 0.0 | 2.0 |
| 8.0 | Norway | 0.0 | 1.0 | 1.0 | 2.0 |
| 9.0 | France | 0.0 | 1.0 | 0.0 | 1.0 |
| 9.0 | Greece | 0.0 | 1.0 | 0.0 | 1.0 |
| 9.0 | Ukraine | 0.0 | 1.0 | 0.0 | 1.0 |
| 12.0 | Argentina | 0.0 | 0.0 | 1.0 | 1.0 |
| 12.0 | Australia | 0.0 | 0.0 | 1.0 | 1.0 |
| 12.0 | Austria | 0.0 | 0.0 | 1.0 | 1.0 |
| 12.0 | New Zealand | 0.0 | 0.0 | 1.0 | 1.0 |
Question:
What is the average medal total when the rank is less than 5 and less than 7 bronze medals were won?
Answer:
15.0