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 |
| --- | --- | --- | --- | --- |
| Alain Prost | McLaren - TAG | 67.0 | 1:35:13.284 | 2.0 |
| Michele Alboreto | Ferrari | 67.0 | + 23.911 | 5.0 |
| Nelson Piquet | Brabham - BMW | 67.0 | + 24.922 | 1.0 |
| Niki Lauda | McLaren - TAG | 67.0 | + 43.086 | 15.0 |
| René Arnoux | Ferrari | 67.0 | + 1:01.430 | 6.0 |
| Riccardo Patrese | Alfa Romeo | 66.0 | + 1 Lap | 9.0 |
| Andrea de Cesaris | Ligier - Renault | 65.0 | + 2 Laps | 17.0 |
| Mauro Baldi | Spirit - Hart | 65.0 | + 2 Laps | 24.0 |
| Thierry Boutsen | Arrows - BMW | 64.0 | Ignition | 11.0 |
| François Hesnault | Ligier - Renault | 64.0 | + 3 Laps | 19.0 |
| Derek Warwick | Renault | 61.0 | Overheating | 7.0 |
| Jo Gartner | Osella - Alfa Romeo | 60.0 | Fuel System | 22.0 |
| Teo Fabi | Brabham - BMW | 57.0 | Gearbox | 10.0 |
| Nigel Mansell | Lotus - Renault | 51.0 | Engine | 8.0 |
| Patrick Tambay | Renault | 47.0 | Fuel system | 3.0 |
| Eddie Cheever | Alfa Romeo | 37.0 | Fuel System | 13.0 |
| Philippe Alliot | RAM - Hart | 37.0 | Turbo | 25.0 |
| Jonathan Palmer | RAM - Hart | 35.0 | Turbo | 21.0 |
| Jacques Laffite | Williams - Honda | 27.0 | Engine | 14.0 |
| Elio de Angelis | Lotus - Renault | 25.0 | Turbo | 23.0 |
| Stefan Johansson | Toleman - Hart | 17.0 | Overheating | 26.0 |
| Keke Rosberg | Williams - Honda | 0.0 | Collision | 4.0 |
| Ayrton Senna | Toleman - Hart | 0.0 | Collision | 12.0 |
| Marc Surer | Arrows - BMW | 0.0 | Collision | 16.0 |
| Gerhard Berger | ATS - BMW | 0.0 | Collision | 18.0 |
| Piercarlo Ghinzani | Osella - Alfa Romeo | 0.0 | Collision | 20.0 |
Question:
What is the grid total for cars that went 17 laps?
Answer:
26.0