question: What was a film distributor whose male German employee produced M4 's sequel and produced M2
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.film_distributor .
  ?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
  ?x1 ns:film.producer.film|ns:film.production_company.films ?x2 .
  ?x1 ns:film.producer.film|ns:film.production_company.films M2 .
  ?x1 ns:people.person.gender ns:m.05zppz .
  ?x1 ns:people.person.nationality ns:m.0345h .
  ?x2 ns:film.film.prequel M4
  }