Were M2 and M4 executive produced by a costume designer 's parent , written by M3 , and written by a parent of M1
SELECT count(*) WHERE {
?x0 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child ?x1 .
?x1 a ns:film.film_costumer_designer .
?x2 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child M1 .
M2 ns:film.film.executive_produced_by ?x0 .
M2 ns:film.film.written_by ?x2 .
M2 ns:film.film.written_by M3 .
M4 ns:film.film.executive_produced_by ?x0 .
M4 ns:film.film.written_by ?x2 .
M4 ns:film.film.written_by M3
}