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 | 3.0 | Britta Steffen | Germany | 24.43 |
| 2.0 | 4.0 | Marleen Veldhuis | Netherlands | 24.46 |
| 3.0 | 5.0 | Lisbeth Trickett | Australia | 24.47 |
| 4.0 | 7.0 | Hinkelien Schreuder | Netherlands | 24.52 |
| 5.0 | 1.0 | Kara Lynn Joyce | United States | 24.63 |
| 6.0 | 8.0 | Aliaksandra Herasimenia | Belarus | 24.72 |
| 7.0 | 6.0 | Francesca Halsall | Great Britain | 24.8 |
| 8.0 | 2.0 | Malia Metella | France | 24.89 |
Question:
What's the highest lane of rank 4 with a time less than 24.72?
Answer:
7.0