CREATE TABLE table_23143607_1 (radio_stations VARCHAR, organization VARCHAR)
SELECT radio_stations FROM table_23143607_1 WHERE organization = "Ente Público Radio Televisión Madrid (EPRTVM)"
สถานีวิทยุใดที่มีองค์กร ente público radio televisión madrid (eprtvm)?
Which of the radio stations has the organization of ente público radio televisión madrid (eprtvm)?