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:
| Class | Team | Driver | Chassis – Engine | Laps |
| --- | --- | --- | --- | --- |
| C1 | Blaupunkt Joest Racing | Klaus Ludwig | Porsche 956 B | 79.0 |
| C1 | Silk Cut Jaguar | Eddie Cheever | Jaguar XJR-6 | 79.0 |
| C1 | Silk Cut Jaguar | Derek Warwick | Jaguar XJR-6 | 79.0 |
| C1 | Team Memorex ( Brun ) | Frank Jelinski | Porsche 962 C | 78.0 |
| C1 | SAT Porsche Kremer Team | James Weaver | Porsche 962 C | 78.0 |
| C1 | Brun Motorsport | Walter Brun | Porsche 962 C | 78.0 |
| C1 | Hans Obermaier | Jürgen Lässig | Porsche 956 | 77.0 |
| C1 | Sachs Joest Racing | "John Winter" | Porsche 956 | 76.0 |
| GTP | Blaupunkt Joest Racing | Danny Ongais | Porsche 962 | 76.0 |
| C1 | Brun Motorsport | Thierry Boutsen | Porsche 956 | 76.0 |
| C1 | John Fitzpatrick Racing | Derek Bell | Porsche 956 B | 76.0 |
| C1 | SAT Porsche Kremer Team | Franz Konrad | Porsche 956 | 73.0 |
| C2 | Gebhardt Racing Cars | Stanley Dickens | Gebhardt JC853 – Ford | 73.0 |
| C1 | Ernst Schuster | Ernst Schuster | Porsche 936 C | 71.0 |
| C1 | Porsche AG | Hans-Joachim Stuck | Porsche 962 C | 71.0 |
| C2 | Roy Baker Racing Tiga | Thorkild Thyrring | Tiga GC286 – Ford | 70.0 |
| C1 | Silk Cut Jaguar | Jean-Louis Schlesser | Jaguar XJR-6 | 67.0 |
| C2 | Martin Schanche Racing | Martin Schanche | Argo JM19 – Zakspeed | 66.0 |
| C2 | Roy Baker Racing Tiga | John Sheldon | Tiga GC285 – Ford | 58.0 |
| C1 | Liqui Moly Equipe | Bob Wollek | Porsche 956 GTi | 60.0 |
| C1 | Sponsor Guest Team | Bruno Giacomelli | Lancia LC2 – Ferrari | 59.0 |
| C1 | Cosmik Racing | Costas Los | March 84G – Porsche | 58.0 |
| C1 | Victor Zakspeed Team | Jochen Dauer | Zakspeed C1/8 – Ford | 37.0 |
| C1 | Derichs Rennwagenbau | Jan Thoelke | Zakspeed C1/8 – Ford | 5.0 |
Question:
Who is the driver of the chassis-engine porsche 956 gti?
Answer:
Bob Wollek