Were M2 and M4 executive produced by a costume designer of M0 , executive produced by M3 , and produced by M1 's producer
SELECT count(*) WHERE {
?x0 ns:film.film_costumer_designer.costume_design_for_film M0 .
?x1 ns:film.producer.film|ns:film.production_company.films M1 .
M2 ns:film.film.executive_produced_by ?x0 .
M2 ns:film.film.executive_produced_by M3 .
M2 ns:film.film.produced_by|ns:film.film.production_companies ?x1 .
M4 ns:film.film.executive_produced_by ?x0 .
M4 ns:film.film.executive_produced_by M3 .
M4 ns:film.film.produced_by|ns:film.film.production_companies ?x1
}