CREATE TABLE table_name_20 (grand_final_television_commentator VARCHAR2, spokesperson VARCHAR2, year_s_ VARCHAR2, grand_final_dual_television_commentator VARCHAR2)

What is the grand final television commentator status after 1959 when Dave was the grand final dual television commentator and Marie Myriam was the spokesperson?
SELECT grand_final_television_commentator FROM table_name_20 WHERE year_s_ > 1959 AND grand_final_dual_television_commentator = "dave" AND spokesperson = "marie myriam"
SELECT "grand_final_television_commentator" FROM "table_name_20" WHERE "dave" = "grand_final_dual_television_commentator" AND "marie myriam" = "spokesperson" AND "year_s_" > 1959