CREATE TABLE table_24673888_1 (power_kw VARCHAR2, station_type VARCHAR2, callsign VARCHAR2)

What is the power in KW that has a station type of relay and a callsign of DXCL-TV?
SELECT power_kw FROM table_24673888_1 WHERE station_type = "Relay" AND callsign = "DXCL-TV"
SELECT "power_kw" FROM "table_24673888_1" WHERE "DXCL-TV" = "callsign" AND "Relay" = "station_type"