Table schema:
CREATE TABLE table_2610582_3 (power_kw__erp_ VARCHAR, ch__number VARCHAR, callsign VARCHAR)

Question: 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"