How many engine b5234 t3?
CREATE TABLE "models_and_engines" (
  "model" text,
  "max_motive_power" text,
  "max_torque_at_rpm" text,
  "engine_displacement" text,
  "engine_type" text,
  "engine_configuration_notes_0_100km_h" text
);
SELECT COUNT("model") FROM "models_and_engines" WHERE "engine_type"='B5234 T3';