CREATE TABLE table_name_67 (winning_driver VARCHAR2, winning_team VARCHAR2, name VARCHAR2)

Which driver won the Indianapolis 500 the year the Chaparral team also won it?
SELECT winning_driver FROM table_name_67 WHERE winning_team = "chaparral" AND name = "indianapolis 500"
SELECT "winning_driver" FROM "table_name_67" WHERE "chaparral" = "winning_team" AND "indianapolis 500" = "name"