Were M3 , M4 , M5 , and M6 edited by a female Mexican costume designer
SELECT count(*) WHERE {
?x0 a ns:film.film_costumer_designer .
?x0 ns:people.person.gender ns:m.02zsn .
?x0 ns:people.person.nationality ns:m.0b90_r .
M3 ns:film.film.edited_by ?x0 .
M4 ns:film.film.edited_by ?x0 .
M5 ns:film.film.edited_by ?x0 .
M6 ns:film.film.edited_by ?x0
}