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 | Natalie Coughlin | United States | 53.7 |
| 2.0 | 6.0 | Zhu Yingwen | China | 53.84 |
| 3.0 | 4.0 | Britta Steffen | Germany | 53.96 |
| 4.0 | 3.0 | Lisbeth Trickett | Australia | 54.1 |
| 5.0 | 2.0 | Josefin Lillhage | Sweden | 54.59 |
| 6.0 | 1.0 | Lacey Nymeyer | United States | 54.74 |
| 7.0 | 8.0 | Petra Dallmann | Germany | 55.05 |
| 8.0 | 7.0 | Aliaksandra Herasimenia | Belarus | 55.31 |
Question:
What is the highest rank for Josefin Lillhage?
Answer:
5.0