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 | Matra - Ford | 90.0 | 2:16:54.0 | 4.0 |
| Bruce McLaren | McLaren - Ford | 88.0 | + 2 Laps | 13.0 |
| Jean-Pierre Beltoise | Matra - Ford | 87.0 | + 3 Laps | 12.0 |
| Denny Hulme | McLaren - Ford | 87.0 | + 3 Laps | 8.0 |
| John Surtees | BRM | 84.0 | + 6 Laps | 9.0 |
| Jacky Ickx | Brabham - Ford | 83.0 | + 7 Laps | 7.0 |
| Pedro Rodríguez | BRM | 73.0 | Engine | 14.0 |
| Chris Amon | Ferrari | 56.0 | Engine | 2.0 |
| Jack Brabham | Brabham - Ford | 51.0 | Engine | 5.0 |
| Jo Siffert | Lotus - Ford | 30.0 | Oil Leak | 6.0 |
| Jochen Rindt | Lotus - Ford | 19.0 | Accident | 1.0 |
| Piers Courage | Brabham - Ford | 18.0 | Engine | 11.0 |
| Graham Hill | Lotus - Ford | 8.0 | Accident | 3.0 |
| Jackie Oliver | BRM | 1.0 | Oil Pipe | 10.0 |
Question:
What is the time/retired for jo siffert with a grid under 11?
Answer:
Oil Leak