CREATE TABLE table_40550 ("Race" TEXT, "Pole position" TEXT, "Fastest lap" TEXT, "Most laps led" TEXT, "Winning driver" TEXT, "Winning team" TEXT, "Report" TEXT)

Who is the Winning Driver, when Most Laps Led is Dario Franchitti, and when Pole Position is H lio Castroneves?
SELECT "Winning driver" FROM table_40550 WHERE "Most laps led" = 'dario franchitti' AND "Pole position" = 'hélio castroneves'
SELECT "Winning driver" FROM "table_40550" WHERE "Most laps led" = 'dario franchitti' AND "Pole position" = 'hélio castroneves'