Did a Mexican star of M2 direct M3 and M4 and edit M0
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.film M2 .
?x0 ns:film.director.film M3 .
?x0 ns:film.director.film M4 .
?x0 ns:film.editor.film M0 .
?x0 ns:people.person.nationality ns:m.0b90_r
}