CREATE TABLE table_6412 ("Feature" CLOB, "GT Force" CLOB, "Driving Force EX" CLOB, "Driving Force Pro" CLOB, "Driving Force GT" CLOB, "G25 Racing Wheel" CLOB, "G27 Racing Wheel" CLOB)

GT Force of yes, and a G27 Racing Wheel of 16 involves which driving force ex?
SELECT "Driving Force EX" FROM table_6412 WHERE "GT Force" = 'yes' AND "G27 Racing Wheel" = '16'
SELECT "Driving Force EX" FROM "table_6412" WHERE "G27 Racing Wheel" = '16' AND "GT Force" = 'yes'