question: Who is the Winning Driver, when Most Laps Led is Dario Franchitti, and when Pole Position is Hélio Castroneves?
answer: SELECT winning_driver FROM table_name_10 WHERE most_laps_led = "dario franchitti" AND pole_position = "hélio castroneves"
context: CREATE TABLE table_name_10 (winning_driver VARCHAR, most_laps_led VARCHAR, pole_position VARCHAR)