Table:
text: 2006 Atlantic Championship season
Results
Results
Round Race_Name Pole_position Winning_driver Winning_Team
9 2006 San José Raphael Matos Raphael Matos Sierra Sierra Enterprises
10 2006 Denver Graham Rahal Graham Rahal Mi-Jack Conquest Racing
11 2006 Montréal James Hinchcliffe Graham Rahal Mi-Jack Conquest Racing
12 2006 Gehl Championship Finale Raphael Matos Jonathan Bomarito PR1 Motorsports

text: 2006 Atlantic Championship season
Results
Results
Round Race_Name Pole_position Winning_driver Winning_Team
1 2006 Imperial Capital Bank Atlantic Race Andreas Wirth Andreas Wirth Forsythe Championship Racing
2 2006 Fast Trac 100 Raphael Matos Andreas Wirth Forsythe Championship Racing
3 2006 Monterrey Graham Rahal Graham Rahal Mi-Jack Conquest Racing
4 2006 Trinity Carpet 100K Graham Rahal James Hinchcliffe Forsythe Championship Racing
5 2006 Gehl Atlantic Championship of Cleveland 1 Andreas Wirth Graham Rahal Mi-Jack Conquest Racing
6 2006 Gehl Atlantic Championship of Cleveland 2 Simon Pagenaud Graham Rahal Mi-Jack Conquest Racing
7 2006 Toronto Graham Rahal Robbie Pecorari Gelles Racing
8 2006 Edmonton Raphael Matos Simon Pagenaud Team Australia

Question: Which race after Round 6 did Graham Rahal win with a pole position for Graham Rahal under the results of the 2006 Atlantic Championship season?