Were M2 and M3 edited by M1 's editor , producer , and writer and written by M0 's art director and writer
SELECT count(*) WHERE {
?x0 ns:film.film_art_director.films_art_directed M0 .
?x0 ns:film.writer.film M0 .
?x1 ns:film.editor.film M1 .
?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.written_by ?x0 .
M3 ns:film.film.edited_by ?x1 .
M3 ns:film.film.written_by ?x0
}