Name the total number of ERP/Power W for frequency of 89.3 fm and facility ID less than 40430
CREATE TABLE "stations" (
  "call_sign" text,
  "frequency" text,
  "city_of_license" text,
  "facility_id" real,
  "erp_power_w" real,
  "height_m_ft" text,
  "class" text
);
SELECT COUNT("erp_power_w") FROM "stations" WHERE "frequency"='89.3 fm' AND "facility_id"<40430;