Were M4 and M6 executive produced by M5 and written by a male Chinese film editor that edited M1
SELECT count(*) WHERE {
?x0 a ns:film.editor .
?x0 ns:film.editor.film M1 .
?x0 ns:people.person.gender ns:m.05zppz .
?x0 ns:people.person.nationality ns:m.0d05w3 .
M4 ns:film.film.executive_produced_by M5 .
M4 ns:film.film.written_by ?x0 .
M6 ns:film.film.executive_produced_by M5 .
M6 ns:film.film.written_by ?x0
}