Question: Tell me the call sign which has a frequency Mhz more than 90.1 and ERP W of 1
SQL: SELECT "Call sign" FROM "2-12155786-3" WHERE "Frequency MHz" > 90.1 AND "ERP W" = 1.0;

Question: Name the total number of ERP W when the call sign is w217bf
SQL: SELECT COUNT("ERP W") FROM "2-12155786-3" WHERE "Call sign" = 'w217bf';

Question: Name the total number of frequency Mhz for when it has ERP W of 1 and call sign of w215bj
SQL: SELECT COUNT("Frequency MHz") FROM "2-12155786-3" WHERE "ERP W" = 1.0 AND "Call sign" = 'w215bj';

Question: Name the average ERP W when it has a city of license of Pound, Virginia and frequency mhz more than 91.3
SQL: SELECT AVG("ERP W") FROM "2-12155786-3" WHERE "City of license" = 'Pound, Virginia' AND "Frequency MHz" > 91.3;