Was M2 directed by a editor and art director of M1 and executive produced by a person
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x1 ns:film.editor.film M1 .
?x1 ns:film.film_art_director.films_art_directed M1 .
M2 ns:film.film.directed_by ?x1 .
M2 ns:film.film.executive_produced_by ?x0
}