Were M2 and M3 directed and edited by a person that executive produced , directed , and wrote M1
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x0 ns:film.director.film M1 .
?x0 ns:film.producer.films_executive_produced M1 .
?x0 ns:film.writer.film M1 .
M2 ns:film.film.directed_by ?x0 .
M2 ns:film.film.edited_by ?x0 .
M3 ns:film.film.directed_by ?x0 .
M3 ns:film.film.edited_by ?x0
}