torque@rpm of n·m (lb·ft)@4050 has what code?
CREATE TABLE "duratec_ti_vct" (
  "code" text,
  "years" text,
  "displacement_bore_x_stroke_type" text,
  "power_rpm" text,
  "torque_rpm" text,
  "compression_1" text
);
SELECT "code" FROM "duratec_ti_vct" WHERE "torque_rpm"='n·m (lb·ft)@4050';