Question: Which area served has a Callsign of 5DDN?
SQL: SELECT "Area served" FROM "2-14155349-2" WHERE "Callsign" = '5DDN';

Question: What is the purpose for Frequency of 102.3?
SQL: SELECT "Purpose" FROM "2-14155349-2" WHERE "Frequency" = '102.3';

Question: What is the current freq for Frequency of 104.7?
SQL: SELECT "Freq currently" FROM "2-14155349-2" WHERE "Frequency" = '104.7';