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:
| Round | Date | Event | Circuit | Winning Driver | Winning Team |
| --- | --- | --- | --- | --- | --- |
| 1.0 | April 26 | International Procar Meeting | Donington Park | Jan Lammers | BMW Holland |
| 2.0 | May 11 | Avusrennen | AVUS | Manfred Schurti | Cassani Racing |
| 3.0 | May 17 | Monaco Grand Prix | Circuit de Monaco | Hans-Joachim Stuck | Project Four |
| 4.0 | June 22 | 200 Miles of Norisring | Norisring | Hans-Joachim Stuck | Project Four |
| 5.0 | July 12 | British Grand Prix | Brands Hatch | Carlos Reutemann | BMW Motorsport |
| 6.0 | August 9 | German Grand Prix | Hockenheimring | Didier Pironi | BMW Motorsport |
| 7.0 | August 16 | Austrian Grand Prix | Österreichring | Nelson Piquet | BMW Motorsport |
| 8.0 | August 31 | Dutch Grand Prix | Circuit Zandvoort | Nelson Piquet | BMW Motorsport |
| 9.0 | September 13 | Italian Grand Prix | Autodromo Dino Ferrari | Nelson Piquet | BMW Motorsport |
Question:
Which Winning Driver has a Round of 9?
Answer:
Nelson Piquet