Question: What is the frequency for the city of Lamar, Colorado?
SQL: SELECT AVG("Frequency MHz") FROM "2-13831309-2" WHERE "City of license" = 'Lamar, Colorado';

Question: What is the average ERP W for callsign K207BK?
SQL: SELECT AVG("ERP W") FROM "2-13831309-2" WHERE "Call sign" = 'K207BK';

Question: Which callsign has ERP W of 99 and a frequency of greater than 88.7MHz?
SQL: SELECT "Call sign" FROM "2-13831309-2" WHERE "Frequency MHz" > 88.7 AND "ERP W" = 99.0;

Question: Which city has ERP W under 14 and a frequency over 93.7MHz?
SQL: SELECT "City of license" FROM "2-13831309-2" WHERE "ERP W" < 14.0 AND "Frequency MHz" > 93.7;