Was M2 edited by a actor , edited by M3 and M4 , and edited by M1 's executive producer and star
SELECT count(*) WHERE {
?x0 a ns:film.actor .
?x1 ns:film.actor.film/ns:film.performance.film M1 .
?x1 ns:film.producer.films_executive_produced M1 .
M2 ns:film.film.edited_by ?x0 .
M2 ns:film.film.edited_by ?x1 .
M2 ns:film.film.edited_by M3 .
M2 ns:film.film.edited_by M4
}