What did a costume designer of M0 executive produce and a film producer write
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.film.executive_produced_by ?x1 .
?x0 ns:film.film.written_by ?x2 .
?x1 ns:film.film_costumer_designer.costume_design_for_film M0 .
?x2 a ns:film.producer
}