This pair of GP2 Series motor races supported a Formula One motor race won by what driver?
2014 Red Bull Ring GP2 and GP3 Series rounds: The 2014 Austria GP2 Series round was a pair of motor races held on June 21 and 22, 2014 at the Red Bull Ring in Spielberg, Austria as part of the GP2 Series. 2014 Austrian Grand Prix:  The 71-lap race was won by Mercedes driver Nico Rosberg after starting from third position.
i don't know