Were M2 and M3 founded by a film 's costume designer and founded by a person
SELECT count(*) WHERE {
?x0 ns:film.film_costumer_designer.costume_design_for_film ?x1 .
?x1 a ns:film.film .
?x2 a ns:people.person .
M2 ns:organization.organization.founders ?x0 .
M2 ns:organization.organization.founders ?x2 .
M3 ns:organization.organization.founders ?x0 .
M3 ns:organization.organization.founders ?x2
}