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:
| Driver | Constructor | Laps | Time/Retired | Grid |
| --- | --- | --- | --- | --- |
| Lewis Hamilton | McLaren - Mercedes | 67 | 1:31:20.874 | 1 |
| Nelson Piquet Jr. | Renault | 67 | +5.586 | 17 |
| Felipe Massa | Ferrari | 67 | +9.339 | 2 |
| Nick Heidfeld | BMW Sauber | 67 | +9.825 | 12 |
| Heikki Kovalainen | McLaren - Mercedes | 67 | +12.411 | 3 |
| Kimi Räikkönen | Ferrari | 67 | +14.403 | 6 |
| Robert Kubica | BMW Sauber | 67 | +22.682 | 7 |
| Sebastian Vettel | Toro Rosso - Ferrari | 67 | +33.299 | 9 |
| Jarno Trulli | Toyota | 67 | +37.158 | 4 |
| Nico Rosberg | Williams - Toyota | 67 | +37.625 | 13 |
| Fernando Alonso | Renault | 67 | +38.600 | 5 |
| Sébastien Bourdais | Toro Rosso - Ferrari | 67 | +39.111 | 15 |
| David Coulthard | Red Bull - Renault | 67 | +54.971 | 10 |
| Kazuki Nakajima | Williams - Toyota | 67 | +1:00.003 | 16 |
| Adrian Sutil | Force India - Ferrari | 67 | +1:09.488 | 19 |
| Giancarlo Fisichella | Force India - Ferrari | 67 | +1:24.093 | 20 |
| Jenson Button | Honda | 66 | +1 Lap | 14 |
| Rubens Barrichello | Honda | 50 | Collision damage | 18 |
| Mark Webber | Red Bull - Renault | 40 | Oil leak | 8 |
| Timo Glock | Toyota | 35 | Suspension/Accident | 11 |
| Source: | Source: | Source: | Source: | Source: |
Question:
What was the grid when the driver was Mark Webber?
Answer:
8.0