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 | Lane | Name | Nationality | Time | Notes |
| --- | --- | --- | --- | --- | --- |
|  | 4 | Sophie Pascoe | New Zealand | 2:25.65 | WR |
|  | 5 | Summer Ashley Mortimer | Canada | 2:32.08 |  |
|  | 3 | Zhang Meng | China | 2:33.95 | AS |
| 4 | 6 | Katherine Downie | Australia | 2:34.64 |  |
| 5 | 2 | Nina Ryabova | Russia | 2:35.65 |  |
| 6 | 8 | Aurelie Rivard | Canada | 2:37.70 |  |
| 7 | 7 | Harriet Lee | Great Britain | 2:39.42 |  |
| 8 | 1 | Gemma Almond | Great Britain | 2:42.16 |  |
Question:
how many participants have a time between 2:30 and 2:40?
Answer:
6