CREATE TABLE table_2610582_3 (power_kw__erp_ VARCHAR(255), ch__number VARCHAR(255), callsign VARCHAR(255))
What is the power, in kW, of channel TV-23, callsign DYCG-TV?
    
SQL: SELECT power_kw__erp_ FROM table_2610582_3 WHERE ch__number = "TV-23" AND callsign = "DYCG-TV"