CREATE TABLE table_name_81 (callsign VARCHAR2, power__kw_ VARCHAR2, location VARCHAR2)

What is the callsign of Cagayan de Oro with 5kW?
SELECT callsign FROM table_name_81 WHERE power__kw_ = "5kw" AND location = "cagayan de oro"
SELECT "callsign" FROM "table_name_81" WHERE "5kw" = "power__kw_" AND "cagayan de oro" = "location"