Did a parent of M3 's editor and star direct M0 , M1 , and M2
SELECT count(*) WHERE {
?x0 ns:film.director.film M0 .
?x0 ns:film.director.film M1 .
?x0 ns:film.director.film M2 .
?x0 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child ?x1 .
?x1 ns:film.actor.film/ns:film.performance.film M3 .
?x1 ns:film.editor.film M3
}