CREATE TABLE "fm_radio" (
  "frequency" real,
  "callsign" text,
  "brand" text,
  "format" text,
  "city_of_license" text,
  "website" text,
  "webcast" text
);

Question: Name the sum of frequecy with brand of exa fm
SQL: SELECT SUM("frequency") FROM "fm_radio" WHERE "brand"='exa fm';

Question: Name the webcast for website of • and frequency of 103.3
SQL: SELECT "webcast" FROM "fm_radio" WHERE "website"='•' AND "frequency"=103.3;

Question: Name the lowest frequency for brand of radio manantial
SQL: SELECT MIN("frequency") FROM "fm_radio" WHERE "brand"='radio manantial';