Was a film produced by a Chinese film producer and executive produced by M4 , M5 , and M6 M2
SELECT count(*) WHERE {
?x0 a ns:film.producer .
?x0 ns:people.person.nationality ns:m.0d05w3 .
M2 a ns:film.film .
M2 ns:film.film.executive_produced_by M4 .
M2 ns:film.film.executive_produced_by M5 .
M2 ns:film.film.executive_produced_by M6 .
M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}