CREATE TABLE table_name_87 (driving_force_ex VARCHAR, gt_force VARCHAR, g27_racing_wheel VARCHAR)

GT Force of yes, and a G27 Racing Wheel of 16 involves which driving force ex?
SELECT driving_force_ex FROM table_name_87 WHERE gt_force = "yes" AND g27_racing_wheel = "16"
SELECT "driving_force_ex" FROM "table_name_87" WHERE "16" = "g27_racing_wheel" AND "gt_force" = "yes"