CREATE TABLE table_80142 ("Colt model no." CLOB, "Diemaco model" CLOB, "Stock" CLOB, "Fire control" CLOB, "Rear sight" CLOB, "Forward assist" CLOB, "Barrel length" CLOB, "Barrel profile" CLOB, "Barrel twist" CLOB, "Hand guards" CLOB, "Bayonet Lug" CLOB, "Muzzle device" CLOB)

Which Barrel twist has a Stock of canadian 3rd generation and a Hand guards of short ribbed?
SELECT "Barrel twist" FROM table_80142 WHERE "Stock" = 'canadian 3rd generation' AND "Hand guards" = 'short ribbed'
SELECT "Barrel twist" FROM "table_80142" WHERE "Hand guards" = 'short ribbed' AND "Stock" = 'canadian 3rd generation'