Table:
text: 2009 British Formula Three season
Calendar
Calendar
Round Circuit Date_ Pole_Position Fastest_Lap Winning_Driver Winning_Team
14 Circuit de Spa-Francorchamps 25 July Adriano Buzaid Carlos Huertas 1 Adriano Buzaid T-Sport
15 Silverstone Circuit 16 August Daniel Ricciardo Daniel Ricciardo Daniel Ricciardo Carlin Motorsport
16 Silverstone Circuit 16 August Daisuke Nakajima Max Chilton Renger van der Zande Hitech Racing
17 Autódromo Internacional do Algarve 13 September Renger van der Zande Renger van der Zande 2 Jules Bianchi ART Grand Prix
18 Autódromo Internacional do Algarve 13 September Max Chilton Renger van der Zande 1 Jules Bianchi ART Grand Prix
19 Brands Hatch , Kent 20 September Daniel Ricciardo Daniel Ricciardo Daniel Ricciardo Carlin Motorsport

Question: On what date did Adriano Buzaid take pole position for the 2009 British Formula 3 season?