Table:
text: 2001 Formula Renault 2000 Eurocup season
Calendar
Calendar
Round Circuit Date_ Pole_Position Fastest_Lap Winning_Driver Winning_Team
8 Nürburgring 8 September José María López Marc Benz Marc Benz Jenzer Motorsport
9 Circuito del Jarama , Madrid 28 September César Campaniço César Campaniço Ryan Briscoe Prema Powerteam

Question: On what date was the winning team Prema Powerteam for the 2001 Formula Renault 2000 Eurocup season?