CREATE TABLE "broadcast_translators_of_wgrs" (
  "call_sign" text,
  "frequency_m_hz" real,
  "city_of_license" text,
  "erp_w" real,
  "height_m_ft" text,
  "class" text,
  "fcc_info" text
);

Question: On what frequency does W233AG broadcast?
SQL: SELECT COUNT("frequency_m_hz") FROM "broadcast_translators_of_wgrs" WHERE "call_sign"='w233ag';