question: Which film distributor was founded by a German film producer , was founded by M4 's director , and employed M1
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.film_distributor .
  ?x0 ns:business.employer.employees/ns:business.employment_tenure.person M1 .
  ?x0 ns:organization.organization.founders ?x1 .
  ?x0 ns:organization.organization.founders ?x2 .
  ?x1 a ns:film.producer .
  ?x1 ns:people.person.nationality ns:m.0345h .
  ?x2 ns:film.director.film M4
  }