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:
| Rider | Manufacturer | Laps | Time | Grid |
| --- | --- | --- | --- | --- |
| Valentino Rossi | Yamaha | 23.0 | 42:31.153 | 1.0 |
| Casey Stoner | Ducati | 23.0 | +2.201 | 4.0 |
| Dani Pedrosa | Honda | 23.0 | +4.867 | 2.0 |
| Alex de Angelis | Honda | 23.0 | +6.313 | 10.0 |
| Colin Edwards | Yamaha | 23.0 | +12.530 | 5.0 |
| James Toseland | Yamaha | 23.0 | +13.806 | 8.0 |
| Loris Capirossi | Suzuki | 23.0 | +14.447 | 3.0 |
| Andrea Dovizioso | Honda | 23.0 | +15.319 | 13.0 |
| Shinya Nakano | Honda | 23.0 | +15.327 | 9.0 |
| Chris Vermeulen | Suzuki | 23.0 | +30.785 | 11.0 |
| Sylvain Guintoli | Ducati | 23.0 | +39.621 | 17.0 |
| Toni Elias | Ducati | 23.0 | +50.021 | 16.0 |
| Nicky Hayden | Honda | 23.0 | +50.440 | 6.0 |
| Tadayuki Okada | Honda | 23.0 | +58.849 | 15.0 |
| Anthony West | Kawasaki | 23.0 | +1:00.736 | 19.0 |
| Jorge Lorenzo | Yamaha | 6.0 | Accident | 7.0 |
| John Hopkins | Kawasaki | 6.0 | Accident | 14.0 |
| Randy de Puniet | Honda | 5.0 | Accident | 12.0 |
| Marco Melandri | Ducati | 5.0 | Accident | 18.0 |
Question:
How long did it take to ride when the laps were 23 and the grid of 13?
Answer:
15.319