 Complete the following phrase:  The PC-22 debuted at 1993 Australian FAI IndyCar Grand Prix, noted for the sensational debut win of Nigel Mansell, qualifying 2nd with Fittipaldi and 3rd with Tracy. In the race, Fittipaldi scored a 2nd place finish, while Tracy retired for electrical problems. At Phoenix, the first oval race of the season, both Penskes went off, while in Long Beach Tracy scored the first win for the PC-22. In 