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 |
| --- | --- | --- | --- | --- |
| Stirling Moss | Vanwall | 53.0 | 2:09:15.1 | 2.0 |
| Mike Hawthorn | Ferrari | 53.0 | +1:24.7 | 1.0 |
| Phil Hill | Ferrari | 53.0 | +1:25.5 | 5.0 |
| Jo Bonnier | BRM | 53.0 | +1:46.7 | 8.0 |
| Harry Schell | BRM | 53.0 | +2:33.7 | 10.0 |
| Masten Gregory | Maserati | 52.0 | +1 lap | 13.0 |
| Roy Salvadori | Cooper - Climax | 51.0 | +2 laps | 14.0 |
| Jack Fairman | Cooper - Climax | 50.0 | +3 laps | 11.0 |
| Hans Herrmann | Maserati | 50.0 | +3 laps | 18.0 |
| Cliff Allison | Lotus - Climax | 49.0 | +4 laps | 16.0 |
| Jack Brabham | Cooper - Climax | 49.0 | +4 laps | 19.0 |
| Gerino Gerini | Maserati | 48.0 | +5 laps | 17.0 |
| Bruce McLaren | Cooper - Climax | 48.0 | +5 laps | 21.0 |
| Robert La Caze | Cooper - Climax | 48.0 | +5 laps | 23.0 |
| André Guelfi | Cooper - Climax | 48.0 | +5 laps | 25.0 |
| Graham Hill | Lotus - Climax | 45.0 | +7 laps | 12.0 |
| Stuart Lewis-Evans | Vanwall | 41.0 | Fatal accident | 3.0 |
| François Picard | Cooper - Climax | 31.0 | Accident | 24.0 |
| Tom Bridger | Cooper - Climax | 30.0 | Accident | 22.0 |
| Tony Brooks | Vanwall | 29.0 | Engine | 7.0 |
| Olivier Gendebien | Ferrari | 29.0 | Accident | 6.0 |
| Jean Behra | BRM | 26.0 | Engine | 4.0 |
| Wolfgang Seidel | Cooper - Climax | 15.0 | Accident | 20.0 |
| Ron Flockhart | BRM | 15.0 | Camshaft | 15.0 |
| Maurice Trintignant | Cooper - Climax | 9.0 | Engine | 9.0 |
Question:
What are the lowest laps of Graham Hill?
Answer:
45.0