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

Question: What is the average Frequency MHz that is on farwell, texas?
SQL: SELECT AVG("frequency_m_hz") FROM "external_links" WHERE "city_of_license"='farwell, texas';

Question: WHich City of license has a FCC info of fcc, and 10,000 horizontal 3,000 vertical ERP W
SQL: SELECT "city_of_license" FROM "external_links" WHERE "fcc_info"='fcc' AND "erp_w"='10,000 horizontal 3,000 vertical';

Question: WHich FCC info has 3,000 ERP W?
SQL: SELECT "fcc_info" FROM "external_links" WHERE "erp_w"='3,000';