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 | Canada | 9 | 6 | 5 | 20 |
| 2 | United States | 8 | 7 | 8 | 23 |
| 3 | Austria | 7 | 9 | 8 | 24 |
| 4 | Japan | 4 | 2 | 1 | 7 |
| 5 | Italy | 3 | 7 | 4 | 14 |
| 6 | France | 3 | 4 | 4 | 11 |
| 7 | Australia | 3 | 4 | 0 | 7 |
| 8 | Norway | 2 | 2 | 2 | 6 |
| 9 | Slovenia | 2 | 1 | 2 | 5 |
| =10 | Finland | 2 | 1 | 1 | 4 |
| =10 | Germany | 2 | 1 | 1 | 4 |
| 12 | Russia | 2 | 0 | 3 | 5 |
| 13 | Switzerland | 1 | 5 | 5 | 11 |
| 14 | China | 1 | 1 | 1 | 3 |
| 15 | Poland | 1 | 1 | 0 | 2 |
| 16 | Czech Republic | 1 | 0 | 1 | 2 |
| 17 | Belgium | 1 | 0 | 0 | 1 |
| 18 | Netherlands | 0 | 1 | 0 | 1 |
| 19 | Spain | 0 | 0 | 3 | 3 |
| =20 | Bulgaria | 0 | 0 | 1 | 1 |
| =20 | Great Britain | 0 | 0 | 1 | 1 |
| =20 | Sweden | 0 | 0 | 1 | 1 |
| Total | Total | 52 | 52 | 52 | 156 |
Question:
which countries won at least six bronze medals?
Answer:
United States, Austria