Were M4 and M5 written by , directed by , and edited by a Mexican director of M1 , M2 , and M3
SELECT count(*) WHERE {
?x0 ns:film.director.film M1 .
?x0 ns:film.director.film M2 .
?x0 ns:film.director.film M3 .
?x0 ns:people.person.nationality ns:m.0b90_r .
M4 ns:film.film.directed_by ?x0 .
M4 ns:film.film.edited_by ?x0 .
M4 ns:film.film.written_by ?x0 .
M5 ns:film.film.directed_by ?x0 .
M5 ns:film.film.edited_by ?x0 .
M5 ns:film.film.written_by ?x0
}