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 | Mercedes | 100.0 | 2:54:23.8 | 1.0 |
| Stirling Moss | Mercedes | 100.0 | +0.3 | 2.0 |
| Luigi Musso | Maserati | 100.0 | +57.1 | 4.0 |
| Roberto Mieres | Maserati | 99.0 | +1 Lap | 7.0 |
| Eugenio Castellotti | Ferrari | 97.0 | +3 Laps | 9.0 |
| Jean Behra | Maserati | 97.0 | +3 Laps | 6.0 |
| Mike Hawthorn | Ferrari | 95.0 | +5 Laps | 5.0 |
| Hernando da Silva Ramos | Gordini | 92.0 | +8 Laps | 14.0 |
| Louis Rosier | Maserati | 92.0 | +8 Laps | 13.0 |
| Jacques Pollet | Gordini | 90.0 | +10 Laps | 12.0 |
| Johnny Claes | Ferrari | 88.0 | +12 Laps | 16.0 |
| Maurice Trintignant | Ferrari | 65.0 | Gearbox | 8.0 |
| Robert Manzon | Gordini | 44.0 | Transmission | 11.0 |
| Horace Gould | Maserati | 23.0 | Spun Off | 15.0 |
| Karl Kling | Mercedes | 21.0 | Spun Off | 3.0 |
| Peter Walker | Maserati | 2.0 | Wheel Bearing | 10.0 |
Question:
Which grid is the highest and has a time/retired of +0.3?
Answer:
2.0