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