 Complete the following phrase:  On the old and very long Nürburgring, Formula Two cars occasionally had their own race alongside the Formula One cars in the same events to fill the field, which provided other drivers like Kurt Ahrens, Jr., Gerhard Mitter and Dieter Quester the opportunity to enter the German Grand Prix. As the Formula Two section was counted separately, the drivers could not score World Championship points. Hahne participated in the 