CREATE TABLE "am" (
  "frequency" text,
  "call_sign" text,
  "name" text,
  "format" text,
  "owner" text
);

Question: What is the frequency of KQLX?
SQL: SELECT "frequency" FROM "am" WHERE "call_sign"='kqlx';

Question: What is the call sign of 1200 am?
SQL: SELECT "call_sign" FROM "am" WHERE "frequency"='1200 am';

Question: What is the frequency of the talk station?
SQL: SELECT "frequency" FROM "am" WHERE "format"='talk';

Question: What is the frequency of KFNW?
SQL: SELECT "frequency" FROM "am" WHERE "call_sign"='kfnw';