CREATE TABLE "table1_1949746_1" (
  "call_sign" text,
  "frequency" text,
  "city_of_license" text,
  "licensee" text,
  "format" text
);

Question: When 1180 am is the frequency how many call signs are there?
SQL: SELECT COUNT("call_sign") FROM "table1_1949746_1" WHERE "frequency"='1180 AM';

Question: When portsmouth is the city of license who is the licensee?
SQL: SELECT "licensee" FROM "table1_1949746_1" WHERE "city_of_license"='Portsmouth';

Question: When 790 am is the frequency what is the format?
SQL: SELECT "format" FROM "table1_1949746_1" WHERE "frequency"='790 AM';

Question: When 90.7 fm is the frequency who is the licensee?
SQL: SELECT "licensee" FROM "table1_1949746_1" WHERE "frequency"='90.7 FM';