Table:
text: 2008 Superstars Series season
Results
Results
Round Circuit Series Pole_Position Fastest_Lap Winning_Driver Winning_Team
1 Vallelunga Italian Gianni Morbidelli Gianni Morbidelli Gianni Morbidelli Audi Sport Italia
1 Vallelunga International Stefano Gabellini Stefano Gabellini Stefano Gabellini CAAL Racing
2 Mugello Italian Stefano Gabellini Giorgio Sanna Stefano Gabellini CAAL Racing
2 Mugello International Stefano Gabellini Stefano Gabellini Stefano Gabellini CAAL Racing
3 Monza Italian Gianni Morbidelli Gianni Morbidelli Giorgio Sanna Audi Sport Italia
3 Monza International Roberto Papini Kristian Ghedina Kristian Ghedina Millenium Team
4 Magione Italian Giorgio Sanna Giorgio Sanna Gianni Morbidelli Audi Sport Italia
5 Valencia Italian Gianni Morbidelli Gianni Morbidelli Gianni Morbidelli Audi Sport Italia

text: 2008 Superstars Series season
Results
Results
Round Circuit Series Pole_Position Fastest_Lap Winning_Driver Winning_Team
5 Valencia International Stefano Gabellini Stefano Gabellini Roberto Papini CAAL Racing
6 Varano Italian Luca Rangoni Luca Rangoni Luca Rangoni ROAL Motorsport
7 Misano Adriatico Italian Giorgio Sanna Stefano Gabellini Stefano Gabellini CAAL Racing
8 Adria Italian Gianni Morbidelli Gianni Morbidelli Roberto Papini CAAL Racing

Question: How many times during the 2008 Superstars Series season is the series Italian and the circuit Valencia?