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 Red Bull Ring GP2 and GP3 Series rounds:  The race weekend supported the 2014 Austrian Grand Prix. 2014 Austrian Grand Prix:  The 71-lap race was won by Mercedes driver Nico Rosberg after starting from third position.
i don't know