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 | AVUS | 1 May | Emanuele Pirro | Emanuele Pirro | Frank Biela | Racing Organisation Course |
| 2.0 | Wunstorf | 12 June | Patrick Bernhardt | Patrick Bernhardt | Frank Biela | Racing Organisation Course |
| 3.0 | Zolder | 3 July | Emanuele Pirro | Frank Biela | Johnny Cecotto | BMW Motorsport |
| 4.0 | Zandvoort | 17 July | Frank Biela | Rinaldo Capello | Frank Biela | Racing Organisation Course |
| 5.0 | Österreichring | 7 August | Altfrid Heger | Ivan Capelli | Altfrid Heger | BMW Team Schneider |
| 6.0 | Salzburgring | 28 August | Emanuele Pirro | Frank Biela | Johnny Cecotto | BMW Motorsport |
| 7.0 | Spa-Francorchamps | 11 September | Johnny Cecotto | Johnny Cecotto | Johnny Cecotto | BMW Motorsport |
| 8.0 | Nürburgring | 25 September | Johnny Cecotto | Johnny Cecotto | Johnny Cecotto | BMW Motorsport |
Question:
Who had the pole position on 7 August?
Answer:
Altfrid Heger