CREATE TABLE table_19053 ("Call sign" CLOB, "Frequency MHz" CLOB, "City of license" CLOB, "ERP W" FLOAT, "Height m  (  ft  ) " CLOB, "FCC info" CLOB, "Notes" CLOB)

what's the frequency mhz with city of license being chattanooga, tennessee
SELECT "Frequency MHz" FROM table_19053 WHERE "City of license" = 'Chattanooga, Tennessee'
SELECT "Frequency MHz" FROM "table_19053" WHERE "City of license" = 'Chattanooga, Tennessee'