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 | Russia | 6.0 | 5.0 | 5.0 | 16.0 |
| 2 | Japan | 6.0 | 0.0 | 1.0 | 7.0 |
| 3 | Germany | 4.0 | 0.0 | 2.0 | 6.0 |
| 4 | Cuba | 3.0 | 2.0 | 0.0 | 5.0 |
| 5 | Turkey | 2.0 | 1.0 | 0.0 | 3.0 |
| 6 | Bulgaria | 1.0 | 1.0 | 2.0 | 4.0 |
| 6 | Iran | 1.0 | 1.0 | 2.0 | 4.0 |
| 8 | Poland | 1.0 | 1.0 | 1.0 | 3.0 |
| 9 | Moldova | 1.0 | 1.0 | 0.0 | 2.0 |
| 10 | Austria | 1.0 | 0.0 | 0.0 | 1.0 |
| 10 | Canada | 1.0 | 0.0 | 0.0 | 1.0 |
| 10 | Kazakhstan | 1.0 | 0.0 | 0.0 | 1.0 |
| 10 | Norway | 1.0 | 0.0 | 0.0 | 1.0 |
| 14 | France | 0.0 | 5.0 | 2.0 | 7.0 |
| 15 | United States | 0.0 | 3.0 | 2.0 | 5.0 |
| 16 | Azerbaijan | 0.0 | 3.0 | 0.0 | 3.0 |
| 17 | Belarus | 0.0 | 2.0 | 2.0 | 4.0 |
| 18 | Ukraine | 0.0 | 1.0 | 4.0 | 5.0 |
| 19 | Georgia | 0.0 | 1.0 | 1.0 | 2.0 |
| 20 | Finland | 0.0 | 1.0 | 0.0 | 1.0 |
| 20 | South Korea | 0.0 | 1.0 | 0.0 | 1.0 |
| 22 | Sweden | 0.0 | 0.0 | 2.0 | 2.0 |
| 23 | Czech Republic | 0.0 | 0.0 | 1.0 | 1.0 |
| 23 | Italy | 0.0 | 0.0 | 1.0 | 1.0 |
| 23 | Kyrgyzstan | 0.0 | 0.0 | 1.0 | 1.0 |
| Total | Total | 29.0 | 29.0 | 29.0 | 87.0 |
Question:
What is the sum of Silver when the total is less than 6, the rank is 6 and the Bulgaria is the nation?
Answer:
1.0