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/Retired | Grid |
| --- | --- | --- | --- | --- |
| Loris Capirossi | Ducati | 22 | 43:40.145 | 2 |
| Valentino Rossi | Yamaha | 22 | +4.902 | 1 |
| Dani Pedrosa | Honda | 22 | +8.012 | 9 |
| Kenny Roberts, Jr. | KR212V | 22 | +14.800 | 3 |
| Marco Melandri | Honda | 22 | +15.025 | 11 |
| Casey Stoner | Honda | 22 | +15.699 | 12 |
| John Hopkins | Suzuki | 22 | +16.775 | 7 |
| Shinya Nakano | Kawasaki | 22 | +16.942 | 5 |
| Nicky Hayden | Honda | 22 | +17.061 | 4 |
| Colin Edwards | Yamaha | 22 | +19.435 | 8 |
| Toni Elías | Honda | 22 | +22.215 | 6 |
| Chris Vermeulen | Suzuki | 22 | +23.978 | 13 |
| Makoto Tamada | Honda | 22 | +24.967 | 15 |
| Randy de Puniet | Kawasaki | 22 | +28.961 | 10 |
| Carlos Checa | Yamaha | 22 | +29.296 | 17 |
| Alex Hofmann | Ducati | 22 | +29.801 | 14 |
| James Ellison | Yamaha | 22 | +1:02.982 | 16 |
| Iván Silva | Ducati | 22 | +1:44.775 | 19 |
| José Luis Cardoso | Ducati | 4 | Retirement | 18 |
| OFFICIAL MOTOGP REPORT | OFFICIAL MOTOGP REPORT | OFFICIAL MOTOGP REPORT | OFFICIAL MOTOGP REPORT | OFFICIAL MOTOGP REPORT |
Question:
What is the grid with a yamaha manufacturer and a +19.435 time/retired?
Answer:
8.0