Did M2 edit M3 and M4 and direct a film that starred M1 's executive producer
SELECT count(*) WHERE {
?x0 a ns:film.film .
?x0 ns:film.film.starring/ns:film.performance.actor ?x1 .
?x1 ns:film.producer.films_executive_produced M1 .
M2 ns:film.director.film ?x0 .
M2 ns:film.editor.film M3 .
M2 ns:film.editor.film M4
}