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 | Circuit | Date | Fastest lap | Winning driver | Winning team | Winning manufacturer |
| --- | --- | --- | --- | --- | --- | --- |
| 1.0 | Hockenheimring | 28 May | Bernd Schneider | Bernd Schneider | HWA 1 | Mercedes-Benz |
| 2.0 | Motorsport Arena Oschersleben | 18 June | Bernd Schneider | Manuel Reuter | Opel Team Phoenix | Opel |
| 2.0 | Motorsport Arena Oschersleben | 18 June | Manuel Reuter | Manuel Reuter | Opel Team Phoenix | Opel |
| 3.0 | Norisring | 9 July | Christian Menzel | Joachim Winkelhock | Opel Team Holzer 1 | Opel |
| 3.0 | Norisring | 9 July | Eric Helary | Bernd Schneider | HWA 1 | Mercedes-Benz |
| 4.0 | Sachsenring | 6 August | Marcel Fässler | Klaus Ludwig | HWA 2 | Mercedes-Benz |
| 4.0 | Sachsenring | 6 August | Bernd Schneider | Klaus Ludwig | HWA 2 | Mercedes-Benz |
| 5.0 | Nürburgring | 20 August | Bernd Schneider | Bernd Schneider | HWA 1 | Mercedes-Benz |
| 6.0 | Lausitzring | 3 September | Event cancelled due to monsoon conditions | Event cancelled due to monsoon conditions | Event cancelled due to monsoon conditions | Event cancelled due to monsoon conditions |
| 7.0 | Motorsport Arena Oschersleben | 24 September | Bernd Schneider | Uwe Alzen | Opel Team Holzer 1 | Opel |
| 7.0 | Motorsport Arena Oschersleben | 24 September | Bernd Schneider | Bernd Schneider | HWA 1 | Mercedes-Benz |
| 8.0 | Nürburgring | 8 October | Uwe Alzen | Manuel Reuter | Opel Team Phoenix | Opel |
| 8.0 | Nürburgring | 8 October | Joachim Winkelhock | Manuel Reuter | Opel Team Phoenix | Opel |
| 9.0 | Hockenheimring | 29 October | Manuel Reuter | Uwe Alzen | Opel Team Holzer 1 | Opel |
| 9.0 | Hockenheimring | 29 October | Bernd Schneider | Uwe Alzen | Opel Team Holzer 1 | Opel |
Question:
What was the date of Circuit Hockenheimring and the winning manufacturer being Mercedes-Benz?
Answer:
28 May