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 |
| --- | --- | --- | --- | --- |
| Denny Hulme | McLaren - Ford | 53.0 | 1:41:02.01 | 10.0 |
| Niki Lauda | Ferrari | 53.0 | + 9.27 | 8.0 |
| Clay Regazzoni | Ferrari | 53.0 | + 20.41 | 2.0 |
| Mike Hailwood | McLaren - Ford | 53.0 | + 31.79 | 9.0 |
| Jean-Pierre Beltoise | BRM | 53.0 | + 51.84 | 14.0 |
| Patrick Depailler | Tyrrell - Ford | 53.0 | + 1:52.48 | 15.0 |
| Carlos Reutemann | Brabham - Ford | 52.0 | Out of Fuel | 6.0 |
| Howden Ganley | March - Ford | 52.0 | Out of Fuel | 19.0 |
| Henri Pescarolo | BRM | 52.0 | + 1 Lap | 21.0 |
| Emerson Fittipaldi | McLaren - Ford | 52.0 | + 1 Lap | 3.0 |
| Guy Edwards | Lola - Ford | 51.0 | + 2 Laps | 25.0 |
| John Watson | Brabham - Ford | 49.0 | + 4 Laps | 20.0 |
| Ronnie Peterson | Lotus - Ford | 48.0 | + 5 Laps | 1.0 |
| Graham Hill | Lola - Ford | 45.0 | Engine | 17.0 |
| Jacky Ickx | Lotus - Ford | 36.0 | Clutch | 7.0 |
| Richard Robarts | Brabham - Ford | 36.0 | Gearbox | 22.0 |
| Hans Joachim Stuck | March - Ford | 31.0 | Clutch | 23.0 |
| François Migault | BRM | 31.0 | Water leak | 24.0 |
| Jody Scheckter | Tyrrell - Ford | 25.0 | Engine | 12.0 |
| Carlos Pace | Surtees - Ford | 21.0 | Suspension | 11.0 |
| Arturo Merzario | Iso Marlboro - Ford | 19.0 | Overheating | 13.0 |
| James Hunt | March - Ford | 11.0 | Overheating | 5.0 |
| Jochen Mass | Surtees - Ford | 10.0 | Engine | 18.0 |
| Peter Revson | Shadow - Ford | 1.0 | Accident | 4.0 |
| Jean-Pierre Jarier | Shadow - Ford | 0.0 | Accident | 16.0 |
Question:
How many laps were completed in grid 18?
Answer:
10.0