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 |
| --- | --- | --- | --- | --- |
| Peter Gethin | BRM | 55.0 | 1:18:12.60 | 11.0 |
| Ronnie Peterson | March - Ford | 55.0 | + 0.01 | 6.0 |
| François Cevert | Tyrrell - Ford | 55.0 | + 0.09 | 5.0 |
| Mike Hailwood | Surtees - Ford | 55.0 | + 0.18 | 17.0 |
| Howden Ganley | BRM | 55.0 | + 0.61 | 4.0 |
| Chris Amon | Matra | 55.0 | + 32.36 | 1.0 |
| Jackie Oliver | McLaren - Ford | 55.0 | + 1:24.83 | 13.0 |
| Emerson Fittipaldi | Lotus - Pratt & Whitney | 54.0 | + 1 Lap | 18.0 |
| Jo Siffert | BRM | 53.0 | + 2 Laps | 3.0 |
| Jo Bonnier | McLaren - Ford | 51.0 | + 4 Laps | 21.0 |
| Graham Hill | Brabham - Ford | 47.0 | Gearbox | 14.0 |
| Jean-Pierre Jarier | March - Ford | 47.0 | Not classified | 24.0 |
| Mike Beuttler | March - Ford | 41.0 | Engine | 16.0 |
| Henri Pescarolo | March - Ford | 40.0 | Suspension | 10.0 |
| Andrea de Adamich | March - Alfa Romeo | 33.0 | Engine | 20.0 |
| Clay Regazzoni | Ferrari | 17.0 | Engine | 8.0 |
| Jacky Ickx | Ferrari | 15.0 | Engine | 2.0 |
| Jackie Stewart | Tyrrell - Ford | 15.0 | Engine | 7.0 |
| Nanni Galli | March - Ford | 11.0 | Electrical | 19.0 |
| Tim Schenken | Brabham - Ford | 5.0 | Suspension | 9.0 |
| Silvio Moser | Bellasi - Ford | 5.0 | Suspension | 22.0 |
| Helmut Marko | BRM | 3.0 | Engine | 12.0 |
| John Surtees | Surtees - Ford | 3.0 | Engine | 15.0 |
| Rolf Stommelen | Surtees - Ford | 0.0 | Accident | 23.0 |
Question:
Which driver had 3 Laps and grids less than 15?
Answer:
Helmut Marko