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 | Pole position | Fastest lap | Winning driver | Winning team |
| --- | --- | --- | --- | --- | --- | --- |
| 1.0 | Hockenheimring | 25 April | Gary Paffett | Bruno Spengler | Gary Paffett | HWA Team |
| 2.0 | Circuit Ricardo Tormo , Valencia | 23 May | Mattias Ekström | Mattias Ekström | Mattias Ekström | Abt Sportsline |
| 3.0 | EuroSpeedway Lausitz | 6 June | Paul di Resta | Mike Rockenfeller | Bruno Spengler | HWA Team |
| 4.0 | Norisring , Nuremberg | 4 July | Ralf Schumacher | Ralf Schumacher | Jamie Green | Persson Motorsport |
| 5.0 | Nürburgring | 8 August | Mattias Ekström | Bruno Spengler | Bruno Spengler | HWA Team |
| 6.0 | Circuit Park Zandvoort | 22 August | Timo Scheider | Timo Scheider | Gary Paffett | HWA Team |
| 7.0 | Brands Hatch , Kent | 5 September | Paul di Resta | Miguel Molina | Paul di Resta | HWA Team |
| 8.0 | Motorsport Arena Oschersleben | 19 September | Paul di Resta | Timo Scheider | Paul di Resta | HWA Team |
| 9.0 | Hockenheimring | 17 October | Timo Scheider | Paul di Resta | Paul di Resta | HWA Team |
| 10.0 | Adria International Raceway | 31 October | Gary Paffett | Mattias Ekström | Timo Scheider | Abt Sportsline |
Question:
What date did Mike Rockenfeller have the fastest lap?
Answer:
6 June