Question: Who was the winning driver at Okayama International Circuit?
SQL: SELECT "Winning Driver" FROM "1-16670746-2" WHERE "Circuit" = 'Okayama International Circuit';

Question: Who had the fastest lap when the winning team was TOM'S Racing?
SQL: SELECT "Fastest Lap" FROM "1-16670746-2" 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 "1-16670746-2" WHERE "Winning Team" = 'Team Impul' AND "Circuit" = 'Twin Ring Motegi';