Were M1 and M4 written by M2 , executive produced by M0 's prequel 's producer and executive producer , and edited by M3
SELECT count(*) WHERE {
?x0 ns:film.producer.films_executive_produced ?x1 .
?x0 ns:film.producer.film|ns:film.production_company.films ?x1 .
?x1 ns:film.film.sequel M0 .
M1 ns:film.film.edited_by M3 .
M1 ns:film.film.executive_produced_by ?x0 .
M1 ns:film.film.written_by M2 .
M4 ns:film.film.edited_by M3 .
M4 ns:film.film.executive_produced_by ?x0 .
M4 ns:film.film.written_by M2
}