Did a Mexican film editor that executive produced M1 and M2 play M4
SELECT count(*) WHERE {
?x0 a ns:film.editor .
?x0 ns:film.actor.film/ns:film.performance.character M4 .
?x0 ns:film.producer.films_executive_produced M1 .
?x0 ns:film.producer.films_executive_produced M2 .
?x0 ns:people.person.nationality ns:m.0b90_r
}