What is the target market of the station with call sign KFXS?
CREATE TABLE "table1_134987_3" (
  "frequency" text,
  "call_sign" text,
  "name" text,
  "format" text,
  "owner" text,
  "target_city_market" text,
  "city_of_license" text
);
SELECT "target_city_market" FROM "table1_134987_3" WHERE "call_sign"='KFXS';