Table: formula_nippon_2008
Columns: round
circuit
date
pole_position
fastest_lap
winning_driver
winning_team

Question: Who was the winning driver at Okayama International Circuit?
SQL: SELECT "winning_driver" FROM formula_nippon_2008 WHERE "circuit" = 'Okayama International Circuit'

Question: Who had the fastest lap when the winning team was Tom's Racing?
SQL: SELECT "fastest_lap" FROM formula_nippon_2008 WHERE "winning_team" = 'TOM''S Racing'

Question: Who had the fastest lap in the race won by Team Impul at the Twin Ring Motegi circuit?
SQL: SELECT "fastest_lap" FROM formula_nippon_2008 WHERE "winning_team" = 'Team Impul' AND "circuit" = 'Twin Ring Motegi'