Was a employer of M1 's sequel 's female costume designer M2
SELECT count(*) WHERE {
?x0 ns:film.film_costumer_designer.costume_design_for_film ?x1 .
?x0 ns:people.person.gender ns:m.02zsn .
?x1 ns:film.film.prequel M1 .
M2 ns:business.employer.employees/ns:business.employment_tenure.person ?x0
}