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 |
| --- | --- | --- | --- | --- |
| Jackie Stewart | Tyrrell - Ford | 80.0 | 1:43:17.1 | 5.0 |
| Peter Revson | McLaren - Ford | 80.0 | + 48.2 | 1.0 |
| Denny Hulme | McLaren - Ford | 80.0 | + 54.6 | 2.0 |
| Carlos Reutemann | Brabham - Ford | 80.0 | + 1:00.7 | 9.0 |
| Clay Regazzoni | Ferrari | 80.0 | + 1:07.0 | 7.0 |
| Chris Amon | Matra | 79.0 | + 1 Lap | 10.0 |
| Tim Schenken | Surtees - Ford | 79.0 | + 1 Lap | 13.0 |
| Graham Hill | Brabham - Ford | 79.0 | + 1 Lap | 17.0 |
| Carlos Pace | March - Ford | 78.0 | Out of Fuel | 18.0 |
| Howden Ganley | BRM | 78.0 | + 2 Laps | 14.0 |
| Emerson Fittipaldi | Lotus - Ford | 78.0 | + 2 Laps | 4.0 |
| Jacky Ickx | Ferrari | 76.0 | + 4 laps | 8.0 |
| Henri Pescarolo | March - Ford | 73.0 | + 7 Laps | 21.0 |
| Reine Wisell | Lotus - Ford | 65.0 | Engine | 16.0 |
| Niki Lauda | March - Ford | 64.0 | Received outside assistance | 19.0 |
| Ronnie Peterson | March - Ford | 61.0 | Push-start after collision | 3.0 |
| Mike Beuttler | March - Ford | 59.0 | Not Classified | 24.0 |
| François Cevert | Tyrrell - Ford | 51.0 | Gearbox | 6.0 |
| Peter Gethin | BRM | 25.0 | Suspension | 12.0 |
| Skip Barber | March - Ford | 24.0 | Not Classified | 22.0 |
| Jean-Pierre Beltoise | BRM | 21.0 | Oil Leak | 20.0 |
| Bill Brack | BRM | 20.0 | Spun Off | 23.0 |
| Wilson Fittipaldi | Brabham - Ford | 5.0 | Gearbox | 11.0 |
| Andrea de Adamich | Surtees - Ford | 2.0 | Gearbox | 15.0 |
Question:
Where the grid is under 19, the time finished was logged as received outside assistance, what's the total number of laps?
Answer:
0.0