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 |
| --- | --- | --- | --- | --- |
| Mario Andretti | Ferrari | 79.0 | 1:47:35.5 | 4.0 |
| Jackie Stewart | Tyrrell - Ford | 79.0 | +20.9 | 1.0 |
| Clay Regazzoni | Ferrari | 79.0 | +31.4 | 3.0 |
| Reine Wisell | Lotus - Ford | 79.0 | + 1:09.4 | 14.0 |
| Chris Amon | Matra | 78.0 | + 1 Lap | 2.0 |
| Denny Hulme | McLaren - Ford | 78.0 | + 1 Lap | 7.0 |
| Brian Redman | Surtees - Ford | 78.0 | + 1 Lap | 17.0 |
| Jacky Ickx | Ferrari | 78.0 | + 1 Lap | 8.0 |
| Graham Hill | Brabham - Ford | 77.0 | + 2 Laps | 19.0 |
| Ronnie Peterson | March - Ford | 77.0 | + 2 Laps | 13.0 |
| Henri Pescarolo | March - Ford | 77.0 | + 2 Laps | 18.0 |
| Rolf Stommelen | Surtees - Ford | 77.0 | + 2 Laps | 15.0 |
| Andrea de Adamich | March - Alfa Romeo | 75.0 | +4 Laps | 22.0 |
| Emerson Fittipaldi | Lotus - Ford | 58.0 | Engine | 5.0 |
| John Surtees | Surtees - Ford | 56.0 | Gearbox | 6.0 |
| François Cevert | Tyrrell - Ford | 45.0 | Accident | 9.0 |
| Howden Ganley | BRM | 42.0 | Physical | 24.0 |
| Pedro Rodríguez | BRM | 33.0 | Overheating | 10.0 |
| Dave Charlton | Brabham - Ford | 31.0 | Engine | 16.0 |
| Jo Siffert | BRM | 31.0 | Overheating | 12.0 |
| John Love | March - Ford | 30.0 | Differential | 21.0 |
| Jackie Pretorius | Brabham - Ford | 22.0 | Engine | 20.0 |
| Peter Gethin | McLaren - Ford | 7.0 | Fuel Leak | 11.0 |
| Jo Bonnier | McLaren - Ford | 5.0 | Suspension | 23.0 |
| Alex Soler-Roig | March - Ford | 5.0 | Engine | 25.0 |
Question:
Hows many Laps are in a Grid of 4?
Answer:
1.0