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 | Race | Circuit | Date | Event | Winning driver |
| --- | --- | --- | --- | --- | --- |
| 1.0 | Int. ADAC-Preis Hockenheim | Hockenheimring | 19 April | Sprint Race | Uwe Alzen Manuel Reuter |
| 2.0 | 60. Int. ADAC Eifelrennen | Nürburgring | 10 May | Sprint Race | Roland Asch Johnny Cecotto |
| 3.0 | Sachsenring | Sachsenring | 24 May | Sprint Race | Johnny Cecotto Johnny Cecotto |
| 4.0 | 200 Meilen von Nürnberg | Norisring | 6 July | Sprint Race | Jörg van Ommen Laurent Aiello |
| 5.0 | ADAC-Regio-Preis Lahr | Regio-Ring | 19 July | Sprint Race | Uwe Alzen Gabriele Tarquini |
| 6.0 | 35. Int. ADAC - Flugplatzrennen | Wunstorf | 2 August | Sprint Race | Laurent Aiello Manuel Reuter |
| 7.0 | Int. ADAC Preis von Zweibrücken | Zweibrücken | 16 August | Sprint Race | Johnny Cecotto Johnny Cecotto |
| 8.0 | Int. ADAC Alpentrophäe | Salzburgring | 30 August | Sprint Race | Laurent Aiello Laurent Aiello |
| 9.0 | Int. ADAC-Preis der Tourenwagen von Sachsen-Anhalt | Motorsport Arena Oschersleben | 13 September | Sprint Race | Laurent Aiello Laurent Aiello |
| 10.0 | 25. ADAC Bilstein Supersprint | Nürburgring | 4 October | Sprint Race | Manuel Reuter Eric Hélary |
Question:
What is the round for the Norisring circuit?
Answer:
4.0