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

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'