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 |
| --- | --- | --- | --- | --- |
| Niki Lauda | Ferrari | 70.0 | 1:43:53.98 | 1.0 |
| Jody Scheckter | Tyrrell - Ford | 70.0 | + 19.22 | 9.0 |
| Carlos Reutemann | Brabham - Ford | 70.0 | + 41.82 | 6.0 |
| Patrick Depailler | Tyrrell - Ford | 70.0 | + 1:00.08 | 12.0 |
| Clay Regazzoni | Ferrari | 70.0 | + 1:03.84 | 4.0 |
| Tom Pryce | Shadow - Ford | 70.0 | + 1:28.45 | 5.0 |
| Emerson Fittipaldi | McLaren - Ford | 69.0 | + 1 Lap | 8.0 |
| Carlos Pace | Brabham - Ford | 69.0 | + 1 Lap | 2.0 |
| Bob Evans | BRM | 68.0 | + 2 Laps | 20.0 |
| John Watson | Surtees - Ford | 68.0 | + 2 Laps | 18.0 |
| Mark Donohue | Penske - Ford | 67.0 | + 3 Laps | 21.0 |
| Wilson Fittipaldi | Fittipaldi - Ford | 67.0 | + 3 Laps | 24.0 |
| François Migault | Hill - Ford | 57.0 | Suspension | 22.0 |
| Vittorio Brambilla | March - Ford | 54.0 | Brakes | 3.0 |
| Jacky Ickx | Lotus - Ford | 52.0 | Brakes | 16.0 |
| Ronnie Peterson | Lotus - Ford | 36.0 | Brakes | 14.0 |
| Jacques Laffite | Williams - Ford | 18.0 | Gearbox | 23.0 |
| Lella Lombardi | March - Ford | 18.0 | Engine | 17.0 |
| Tony Brise | Hill - Ford | 17.0 | Engine | 7.0 |
| James Hunt | Hesketh - Ford | 15.0 | Transmission | 11.0 |
| Jean-Pierre Jarier | Shadow - Ford | 13.0 | Spun Off | 10.0 |
| Arturo Merzario | Williams - Ford | 2.0 | Clutch | 19.0 |
| Alan Jones | Hesketh - Ford | 1.0 | Accident | 13.0 |
| Jochen Mass | McLaren - Ford | 0.0 | Accident | 15.0 |
Question:
Tell me the total number of Grid for Bob Evans and Laps less than 68
Answer:
0.0