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 |
| --- | --- | --- | --- | --- |
| Juan Manuel Fangio | Alfa Romeo | 70.0 | 2:46:54.10 | 2.0 |
| José Froilán González | Ferrari | 70.0 | +54.28 | 3.0 |
| Nino Farina | Alfa Romeo | 70.0 | +1:45.54 | 4.0 |
| Alberto Ascari | Ferrari | 68.0 | +2 laps | 1.0 |
| Felice Bonetto | Alfa Romeo | 68.0 | +2 laps | 8.0 |
| Toulo de Graffenried | Alfa Romeo | 66.0 | +4 laps | 6.0 |
| Louis Rosier | Talbot-Lago - Talbot | 64.0 | +6 laps | 20.0 |
| Philippe Étancelin | Talbot-Lago - Talbot | 63.0 | +7 laps | 13.0 |
| Robert Manzon | Simca-Gordini | 63.0 | +7 laps | 9.0 |
| Paco Godia | Maserati | 60.0 | +10 laps | 17.0 |
| Luigi Villoresi | Ferrari | 48.0 | Ignition | 5.0 |
| André Simon | Simca-Gordini | 48.0 | Engine | 10.0 |
| Johnny Claes | Talbot-Lago - Talbot | 37.0 | Accident | 15.0 |
| Piero Taruffi | Ferrari | 30.0 | Wheel | 7.0 |
| Maurice Trintignant | Simca-Gordini | 25.0 | Engine | 11.0 |
| Georges Grignard | Talbot-Lago - Talbot | 23.0 | Engine | 16.0 |
| Yves Giraud-Cabantous | Talbot-Lago - Talbot | 7.0 | Accident | 14.0 |
| Louis Chiron | Talbot-Lago - Talbot | 4.0 | Ignition | 12.0 |
| Prince Bira | Maserati - OSCA | 1.0 | Engine | 19.0 |
| Juan Jover | Maserati | 0.0 | Engine | 18.0 |
Question:
Tell me the highest laps for time/retired of +2 laps and driver of felice bonetto
Answer:
68.0