Were M2 and M3 executive produced and produced by a Chinese writer of a film
SELECT count(*) WHERE {
?x0 ns:film.writer.film ?x1 .
?x0 ns:people.person.nationality ns:m.0d05w3 .
?x1 a ns:film.film .
M2 ns:film.film.executive_produced_by ?x0 .
M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M3 ns:film.film.executive_produced_by ?x0 .
M3 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}