CREATE TABLE table_17428 ("Model/Engine" CLOB, "Capacity" CLOB, "Cylinders/Valves" CLOB, "Power/rpm" CLOB, "Torque  ( Nm ) /rpm" CLOB)

The 1.6 Duratec model/engine has how many torque formulas?
SELECT COUNT("Torque (Nm)/rpm") FROM table_17428 WHERE "Model/Engine" = '1.6 Duratec'
SELECT COUNT("Torque (Nm)/rpm") FROM "table_17428" WHERE "Model/Engine" = '1.6 Duratec'