Were M5 and M6 executive produced by a male Chinese screenwriter that directed M3 and M4
SELECT count(*) WHERE {
?x0 a ns:film.writer .
?x0 ns:film.director.film M3 .
?x0 ns:film.director.film M4 .
?x0 ns:people.person.gender ns:m.05zppz .
?x0 ns:people.person.nationality ns:m.0d05w3 .
M5 ns:film.film.executive_produced_by ?x0 .
M6 ns:film.film.executive_produced_by ?x0
}