Were M2 and M4 edited by a screenwriter , executive produced by M3 , and written by M0 's parent
SELECT count(*) WHERE {
?x0 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child M0 .
?x1 a ns:film.writer .
M2 ns:film.film.edited_by ?x1 .
M2 ns:film.film.executive_produced_by M3 .
M2 ns:film.film.written_by ?x0 .
M4 ns:film.film.edited_by ?x1 .
M4 ns:film.film.executive_produced_by M3 .
M4 ns:film.film.written_by ?x0
}