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 | Federica Pellegrini | Italy | 1:57.23 |
| 2.0 | 2.0 | Camelia Potec | Romania | 1:57.71 |
| 3.0 | 5.0 | Caitlin McClatchey | Great Britain | 1:57.73 |
| 4.0 | 7.0 | Ophélie-Cyrielle Étienne | France | 1:58.00 |
| 5.0 | 6.0 | Allison Schmitt | United States | 1:58.01 |
| 6.0 | 8.0 | Aurore Mongel | France | 1:58.08 |
| 7.0 | 3.0 | Ágnes Mutina | Hungary | 1:58.15 |
| 8.0 | 1.0 | Josefin Lillhage | Sweden | 1:59.29 |
Question:
What lane has a time of 1:57.71?
Answer:
2.0