Was M3 edited by a film director 's child , directed by M2 's Mexican director , and edited by M4
SELECT count(*) WHERE {
?x0 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent ?x1 .
?x1 a ns:film.director .
?x2 ns:film.director.film M2 .
?x2 ns:people.person.nationality ns:m.0b90_r .
M3 ns:film.film.directed_by ?x2 .
M3 ns:film.film.edited_by ?x0 .
M3 ns:film.film.edited_by M4
}