Question: Tell me the call sign for frequency of 0 97.3 FM
SQL: SELECT "Call sign" FROM "2-1030221-4" WHERE "Frequency" = '0 97.3 FM';

Question: Tell me the owner for Classical
SQL: SELECT "Owner" FROM "2-1030221-4" WHERE "Format" = 'Classical';

Question: Tell me the city of license for 0 106.9 FM
SQL: SELECT "City of License" FROM "2-1030221-4" WHERE "Frequency" = '0 106.9 FM';