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 |
| --- | --- | --- | --- | --- |
| Dan Gurney | Eagle - Weslake | 28.0 | 1:40:49.4 | 2.0 |
| Jackie Stewart | BRM | 28.0 | + 1:03.0 | 6.0 |
| Chris Amon | Ferrari | 28.0 | + 1:40.0 | 5.0 |
| Jochen Rindt | Cooper - Maserati | 28.0 | + 2:13.9 | 4.0 |
| Mike Spence | BRM | 27.0 | + 1 Lap | 11.0 |
| Jim Clark | Lotus - Ford | 27.0 | + 1 Lap | 1.0 |
| Jo Siffert | Cooper - Maserati | 27.0 | + 1 Lap | 16.0 |
| Bob Anderson | Brabham - Climax | 26.0 | + 2 Laps | 17.0 |
| Pedro Rodríguez | Cooper - Maserati | 25.0 | Engine | 13.0 |
| Guy Ligier | Cooper - Maserati | 25.0 | + 3 Laps | 18.0 |
| Ludovico Scarfiotti | Ferrari | 24.0 | Not Classified | 9.0 |
| Jack Brabham | Brabham - Repco | 15.0 | Engine | 7.0 |
| Denny Hulme | Brabham - Repco | 14.0 | Engine | 14.0 |
| Jo Bonnier | Cooper - Maserati | 10.0 | Engine | 12.0 |
| Graham Hill | Lotus - Ford | 3.0 | Clutch | 3.0 |
| John Surtees | Honda | 1.0 | Engine | 10.0 |
| Chris Irwin | BRM | 1.0 | Engine | 15.0 |
| Mike Parkes | Ferrari | 0.0 | Accident | 8.0 |
Question:
What are the average laps for jackie stewart?
Answer:
28.0