Were M2 and M3 produced by a female person
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x0 ns:people.person.gender ns:m.02zsn .
M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M3 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}