CREATE TABLE table_17433 ("Model/Engine" TEXT, "Capacity" TEXT, "Cylinders/Valves" TEXT, "Power/rpm" TEXT, "Torque  ( Nm ) /rpm" TEXT)

What is the torque formula for the 1.6 Duratec ti-vct model/engine?
SELECT "Torque (Nm)/rpm" FROM table_17433 WHERE "Model/Engine" = '1.6 Duratec Ti-VCT'
SELECT "Torque (Nm)/rpm" FROM "table_17433" WHERE "Model/Engine" = '1.6 Duratec Ti-VCT'