CREATE TABLE table_name_87 (monday_to_friday VARCHAR2, el_canal_de_las_estrellas VARCHAR2)

When does the El Canal de las Estrellas of pop tv show from Monday to Friday?
SELECT monday_to_friday FROM table_name_87 WHERE el_canal_de_las_estrellas = "pop tv"
SELECT "monday_to_friday" FROM "table_name_87" WHERE "el_canal_de_las_estrellas" = "pop tv"