What German costume designer of M2 , M3 , and M4 did M0 and M1 employ
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.film_costumer_designer.costume_design_for_film M2 .
?x0 ns:film.film_costumer_designer.costume_design_for_film M3 .
?x0 ns:film.film_costumer_designer.costume_design_for_film M4 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M0 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
?x0 ns:people.person.nationality ns:m.0345h
}