Was a film written by and executive produced by M1 's art director and editor
SELECT count(*) WHERE {
?x0 a ns:film.film .
?x0 ns:film.film.executive_produced_by ?x1 .
?x0 ns:film.film.written_by ?x1 .
?x1 ns:film.editor.film M1 .
?x1 ns:film.film_art_director.films_art_directed M1
}