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:
| Fin. Pos | Car No. | Driver | Team | Laps | Time/Retired | Grid | Laps Led | Points |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | 9 | Scott Dixon | Target Chip Ganassi | 85 | 1:47:24.2663 | 6 | 29 | 50 |
| 2 | 27 | Dario Franchitti | Andretti Green | 85 | +2.6917 | 5 | 6 | 40 |
| 3 | 3 | Hélio Castroneves | Team Penske | 85 | +8.6783 | 1 | 37 | 35+3 |
| 4 | 11 | Tony Kanaan | Andretti Green | 85 | +8.9611 | 3 | 13 | 32 |
| 5 | 7 | Danica Patrick | Andretti Green | 85 | +25.2578 | 2 | 0 | 30 |
| 6 | 14 | Darren Manning | A.J. Foyt Racing | 85 | +30.4606 | 8 | 0 | 28 |
| 7 | 17 | Ryan Hunter-Reay | Rahal Letterman | 85 | +44.5001 | 10 | 0 | 26 |
| 8 | 15 | Buddy Rice | Dreyer & Reinbold Racing | 85 | +49.9197 | 9 | 0 | 24 |
| 9 | 2 | Tomas Scheckter | Vision Racing | 85 | +54.5332 | 12 | 0 | 22 |
| 10 | 10 | Dan Wheldon | Target Chip Ganassi | 85 | +55.1833 | 11 | 0 | 20 |
| 11 | 8 | Scott Sharp | Rahal Letterman | 84 | +1 Lap | 15 | 0 | 19 |
| 12 | 55 | Kosuke Matsuura | Panther Racing | 84 | +1 Lap | 13 | 0 | 18 |
| 13 | 22 | A. J. Foyt IV | Vision Racing | 84 | +1 Lap | 14 | 0 | 17 |
| 14 | 6 | Sam Hornish, Jr. | Team Penske | 84 | +1 Lap | 7 | 0 | 16 |
| 15 | 5 | Sarah Fisher | Dreyer & Reinbold Racing | 83 | +2 Laps | 17 | 0 | 15 |
| 16 | 20 | Ed Carpenter | Vision Racing | 82 | +3 Laps | 16 | 0 | 14 |
| 17 | 4 | Vitor Meira | Panther Racing | 54 | Mechanical | 18 | 0 | 13 |
| 18 | 26 | Marco Andretti | Andretti Green | 0 | Collision | 4 | 0 | 12 |
| Lead changes: 9 between 4 drivers | Lead changes: 9 between 4 drivers | Lead changes: 9 between 4 drivers | Lead changes: 9 between 4 drivers | Lead changes: 9 between 4 drivers | Lead changes: 9 between 4 drivers | Lead changes: 9 between 4 drivers | Lead changes: 9 between 4 drivers | Lead changes: 9 between 4 drivers |
Question:
How many laps led when the Grid was 15?
Answer:
0.0