CREATE TABLE table_26013 ("Branding" CLOB, "Callsign" CLOB, "Ch. #" CLOB, "Power kW" CLOB, "Station Type" CLOB, "Location  ( Transmitter site ) " CLOB)

When dxzb-tv is the call sign what is the power kw?
SELECT "Power kW" FROM table_26013 WHERE "Callsign" = 'DXZB-TV'
SELECT "Power kW" FROM "table_26013" WHERE "Callsign" = 'DXZB-TV'