CREATE TABLE table_24673888_1 (power_kw VARCHAR(255), station_type VARCHAR(255), callsign VARCHAR(255))
What is the power in KW that has a station type of relay and a callsign of DXCL-TV?
    
SQL: SELECT power_kw FROM table_24673888_1 WHERE station_type = "Relay" AND callsign = "DXCL-TV"