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 | 5.0 | Yana Klochkova | Ukraine | 2:13.08 |
| 2.0 | 3.0 | Cristina Teuscher | United States | 2:13.47 |
| 3.0 | 4.0 | Oxana Verevka | Russia | 2:14.04 |
| 4.0 | 6.0 | Tomoko Hagiwara | Japan | 2:15.09 |
| 5.0 | 2.0 | Chen Yan | China | 2:15.27 |
| 6.0 | 7.0 | Sue Rolph | Great Britain | 2:15.98 |
| 7.0 | 1.0 | Zhan Shu | China | 2:16.58 |
| 8.0 | 8.0 | Nicole Hetzer | Germany | 2:18.08 |
Question:
What is the smallest lane for rank 6?
Answer:
7.0