 Complete the following phrase:  The RB1s best result was a fourth-place finish on its debut at the 2005 Australian Grand Prix in Melbourne, and at the 2005 European Grand Prix held at the Nürburgring. Both results were achieved by David Coulthard. Christian Kliens best finish was fifth at the season finale in Shanghai. Vitantonio Liuzzis best finish in the RB1 was eighth in his debut race, the 