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 | Player | Points | Points defending | Points won | New points | Withdrew due to |
| --- | --- | --- | --- | --- | --- | --- |
| 5.0 | Juan Martín del Potro | 5115.0 | 720.0 | 0.0 | 4395.0 | right wrist surgery |
| 6.0 | Nikolay Davydenko | 5145.0 | 360.0 | 0.0 | 4785.0 | broken wrist |
| 20.0 | Radek Štěpánek | 1705.0 | 90.0 | 0.0 | 1615.0 | fatigue |
| 23.0 | Tommy Haas | 1660.0 | 180.0 | 0.0 | 1480.0 | right hip surgery |
| 32.0 | Gilles Simon | 1395.0 | 90.0 | 0.0 | 1305.0 | right knee injury |
| 36.0 | Ivo Karlović | 1295.0 | 10.0 | 0.0 | 1285.0 | right foot injury |
Question:
How many defending points did  radek štěpánek have?
Answer:
90.0