Which writer of a film wrote , directed , edited , and executive produced M0
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.director.film M0 .
?x0 ns:film.editor.film M0 .
?x0 ns:film.producer.films_executive_produced M0 .
?x0 ns:film.writer.film ?x1 .
?x0 ns:film.writer.film M0 .
?x1 a ns:film.film
}