Did M3 employ M2 's costume designer and employ a French costume designer of M0
SELECT count(*) WHERE {
?x0 ns:film.film_costumer_designer.costume_design_for_film M0 .
?x0 ns:people.person.nationality ns:m.0f8l9c .
?x1 ns:film.film_costumer_designer.costume_design_for_film M2 .
M3 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M3 ns:business.employer.employees/ns:business.employment_tenure.person ?x1
}