Were M2 and M4 edited by a Chinese cinematographer of a film and written by M3
SELECT count(*) WHERE {
?x0 ns:film.cinematographer.film ?x1 .
?x0 ns:people.person.nationality ns:m.0d05w3 .
?x1 a ns:film.film .
M2 ns:film.film.edited_by ?x0 .
M2 ns:film.film.written_by M3 .
M4 ns:film.film.edited_by ?x0 .
M4 ns:film.film.written_by M3
}