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 |
| --- | --- | --- | --- | --- |
| 1.0 | 4.0 | Dara Torres | United States | 55.02 |
| 2.0 | 5.0 | Martina Moravcová | Slovakia | 55.06 |
| 3.0 | 2.0 | Wilma van Rijn | Netherlands | 55.28 |
| 4.0 | 3.0 | Therese Alshammar | Sweden | 55.31 |
| 5.0 | 6.0 | Sue Rolph | Great Britain | 55.69 |
| 6.0 | 7.0 | Sarah Ryan | Australia | 55.93 |
| 7.0 | 1.0 | Laura Nicholls | Canada | 55.94 |
| 8.0 | 8.0 | Alena Popchanka | Belarus | 56.4 |
Question:
What is the lane number of the swimmer with a time of 55.69?
Answer:
6.0