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 |
| --- | --- | --- | --- | --- |
| Alberto Ascari | Ferrari | 90.0 | 2:50:00 | 1.0 |
| Juan Manuel Fangio | Maserati | 90.0 | + 1:00 | 4.0 |
| Nino Farina | Ferrari | 88.0 | + 2 Laps | 5.0 |
| José Froilán González | Maserati | 88.0 | + 2 Laps | 2.0 |
| Mike Hawthorn | Ferrari | 87.0 | + 3 Laps | 3.0 |
| Felice Bonetto | Maserati | 82.0 | + 8 Laps | 16.0 |
| Prince Bira | Connaught - Lea-Francis | 82.0 | + 8 Laps | 19.0 |
| Ken Wharton | Cooper - Bristol | 80.0 | + 10 Laps | 11.0 |
| Peter Whitehead | Cooper - Alta | 79.0 | + 11 Laps | 14.0 |
| Louis Rosier | Ferrari | 78.0 | + 12 Laps | 24.0 |
| Jimmy Stewart | Cooper - Bristol | 79.0 | Spun off | 15.0 |
| Tony Rolt | Connaught - Lea-Francis | 70.0 | Halfshaft | 10.0 |
| Luigi Villoresi | Ferrari | 65.0 | Axle | 6.0 |
| Onofre Marimón | Maserati | 65.0 | Engine | 7.0 |
| Alan Brown | Cooper - Bristol | 56.0 | Overheating | 21.0 |
| Peter Collins | HWM - Alta | 56.0 | Spun off | 23.0 |
| Jack Fairman | HWM - Alta | 54.0 | Clutch | 27.0 |
| Roy Salvadori | Connaught - Lea-Francis | 50.0 | Wheel | 28.0 |
| Toulo de Graffenried | Maserati | 34.0 | Clutch | 26.0 |
| Lance Macklin | HWM - Alta | 31.0 | Clutch | 12.0 |
| Jean Behra | Gordini | 30.0 | Fuel Pump | 22.0 |
| Ian Stewart | Connaught - Lea-Francis | 24.0 | Ignition | 20.0 |
| Maurice Trintignant | Gordini | 14.0 | Axle | 8.0 |
| Duncan Hamilton | HWM - Alta | 14.0 | Clutch | 17.0 |
| Bob Gerard | Cooper - Bristol | 8.0 | Suspension | 18.0 |
| Harry Schell | Gordini | 5.0 | Electrical | 9.0 |
| Kenneth McAlpine | Connaught - Lea-Francis | 0.0 | Retirement | 13.0 |
| Tony Crook | Cooper - Bristol | 0.0 | Fuel System | 25.0 |
Question:
what is the time/retired when the driver is toulo de graffenried?
Answer:
Clutch