Which website includes a webcast of listen live, a frequency under 680, and was licensed in the city of San Antonio.
CREATE TABLE "long_range_am_stations" (
  "frequency" real,
  "callsign" text,
  "brand" text,
  "city_of_license" text,
  "website" text,
  "webcast" text
);
SELECT "website" FROM "long_range_am_stations" WHERE "city_of_license"='san antonio' AND "webcast"='listen live' AND "frequency"=680;