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:
| Year | Race | Team | Pos. | Co-driver |
| --- | --- | --- | --- | --- |
| 1970.0 | 24 Hours of Daytona | John Wyer | 1 | Kinnunen / Redman |
| 1970.0 | 12 Hours of Sebring | John Wyer | 4 | Kinnunen / Siffert |
| 1970.0 | 1000km of Brands Hatch | John Wyer | 1 | Leo Kinnunen |
| 1970.0 | 1000 km Monza | John Wyer | 1 | Leo Kinnunen |
| 1970.0 | Targa Florio | John Wyer | 2 | Leo Kinnunen |
| 1970.0 | 1000 km Spa | John Wyer | Ret. | Leo Kinnunen |
| 1970.0 | 1000 km Nürburgring | John Wyer | Ret. | Leo Kinnunen |
| 1970.0 | 24 Hours of Le Mans | John Wyer | Ret. | Leo Kinnunen |
| 1970.0 | 6 Hours of Watkins Glen | John Wyer | 1 | Leo Kinnunen |
| 1970.0 | 1000 km Zeltweg | John Wyer | Ret. | Leo Kinnunen |
| 1971.0 | 1000 km of Buenos Aires | John Wyer | Ret. | Jackie Oliver |
| 1971.0 | 24 Hours of Daytona | John Wyer | 1 | Jackie Oliver |
| 1971.0 | 12 Hours of Sebring | John Wyer | 4 | Jackie Oliver |
| 1971.0 | 1000 km Brands Hatch | John Wyer | Ret. | Jackie Oliver |
| 1971.0 | 1000 km Monza | John Wyer | 1 | Jackie Oliver |
| 1971.0 | 1000 km Spa | John Wyer | 1 | Jackie Oliver |
| 1971.0 | Targa Florio | John Wyer | Ret. | Herbert Müller |
| 1971.0 | 1000 km Nürburgring | John Wyer | 2 | Oliver / Siffert |
| 1971.0 | 24 Hours of Le Mans | John Wyer | 18 | Jackie Oliver |
| 1971.0 | 1000 km Zeltweg | John Wyer | 1 | Richard Attwood |
Question:
What position did Co-driver Jackie Oliver finish in the 24 hours of Le Mans?
Answer:
18.0