What is the callsign when power kw is 25kw?
CREATE TABLE table_23915973_1 (callsign VARCHAR, power_kw VARCHAR)
SELECT callsign FROM table_23915973_1 WHERE power_kw = "25kW"
### Context: CREATE TABLE table_23915973_1 (callsign VARCHAR, power_kw VARCHAR) ### Question: What is the callsign when power kw is 25kw? ### Answer: SELECT callsign FROM table_23915973_1 WHERE power_kw = "25kW"