Did a Mexican film editor direct M4 , M5 , M6 , and M7 , produce M3 , and executive produce M1
SELECT count(*) WHERE {
?x0 a ns:film.editor .
?x0 ns:film.director.film M4 .
?x0 ns:film.director.film M5 .
?x0 ns:film.director.film M6 .
?x0 ns:film.director.film M7 .
?x0 ns:film.producer.films_executive_produced M1 .
?x0 ns:film.producer.film|ns:film.production_company.films M3 .
?x0 ns:people.person.nationality ns:m.0b90_r
}