Was M1 executive produced by a costume designer , executive produced by M2 and M3 , and executive produced by M4 , M5 , and M6
SELECT count(*) WHERE {
?x0 a ns:film.film_costumer_designer .
M1 ns:film.film.executive_produced_by ?x0 .
M1 ns:film.film.executive_produced_by M2 .
M1 ns:film.film.executive_produced_by M3 .
M1 ns:film.film.executive_produced_by M4 .
M1 ns:film.film.executive_produced_by M5 .
M1 ns:film.film.executive_produced_by M6
}