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