 Complete the following phrase:  The F6 made its debut at the 1979 South African Grand Prix with Brazilian driver and team co-owner Emerson Fittipaldi who finished 13th. The team entered the F5A because the F6 was being updated into the F6A. It was next seen in Germany but the Brazilian retired with an electrical fault. The Austrian Grand Prix saw Fittipaldi retire with brake failure. At Holland the Brazilian retired with an electrical fault. The Italian Grand Prix saw Fittipaldi finish eighth. The Brazilian finished eighth at Canada where the team hired another Brazilian, Alex Ribeiro who failed to qualify. The 