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 | Winning driver | Winning team |
| --- | --- | --- | --- | --- |
| 1 2 | Zolder | 5 May | Emanuele Pirro Emanuele Pirro | A.Z.K./ROC-Compétition A.Z.K./ROC-Compétition |
| 3 4 | Assen | 19 May | Steve Soper Laurent Aiello | BMW Team Bigazzi Peugeot Esso |
| 5 6 | Hockenheimring | 2 June | Emanuele Pirro Emanuele Pirro | A.Z.K./ROC-Compétition A.Z.K./ROC-Compétition |
| 7 8 | Sachsenring | 30 June | Philipp Peter Emanuele Pirro | A.Z.K./ROC-Compétition A.Z.K./ROC-Compétition |
| 9 10 | Wunstorf | 11 July | Steve Soper Emanuele Pirro | BMW Team Bigazzi A.Z.K./ROC-Compétition |
| 11 12 | Zweibrücken | 11 August | Laurent Aiello Laurent Aiello | Peugeot Esso Peugeot Esso |
| 13 14 | Salzburgring | 25 August | Steve Soper Armin Hahne | BMW Team Bigazzi Honda Team Linder |
| 15 16 | AVUS | 8 September | Armin Hahne Emanuele Pirro | Honda Team Linder A.Z.K./ROC-Compétition |
| 17 18 | Nürburgring | 22 September | Emanuele Pirro Emanuele Pirro | A.Z.K./ROC-Compétition A.Z.K./ROC-Compétition |
Question:
What is the date of the zolder circuit, which had a.z.k./roc-compétition a.z.k./roc-compétition as the winning team?
Answer:
5 May