question: What parent of M5 edited M0 , M1 , and M2 , edited M3 and M4 , and directed M6
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.director.film M6 .
  ?x0 ns:film.editor.film M0 .
  ?x0 ns:film.editor.film M1 .
  ?x0 ns:film.editor.film M2 .
  ?x0 ns:film.editor.film M3 .
  ?x0 ns:film.editor.film M4 .
  ?x0 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child M5
  }