Table schema:
CREATE TABLE table_name_23 (time_of_broadcast VARCHAR, days_of_the_week VARCHAR, picture_format VARCHAR, hours VARCHAR)

Question: Name the Time of broadcast has a Picture format of 4:3, and Hours of 20:30, and Days of the week of monday, wednesday, friday?
SQL: SELECT time_of_broadcast FROM table_name_23 WHERE picture_format = "4:3" AND hours = "20:30" AND days_of_the_week = "monday, wednesday, friday"