question: What did a Swedish person that played M2 , M3 , and M4 produce
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film.produced_by|ns:film.film.production_companies ?x1 .
  ?x1 a ns:people.person .
  ?x1 ns:film.actor.film/ns:film.performance.character M2 .
  ?x1 ns:film.actor.film/ns:film.performance.character M3 .
  ?x1 ns:film.actor.film/ns:film.performance.character M4 .
  ?x1 ns:people.person.nationality ns:m.0d0vqn
  }