Were M3 and M4 produced by a Chinese male cinematographer
SELECT count(*) WHERE {
?x0 a ns:film.cinematographer .
?x0 ns:people.person.gender ns:m.05zppz .
?x0 ns:people.person.nationality ns:m.0d05w3 .
M3 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M4 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}