question: Who was a male film director that M1 was edited by and M3 was directed by
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:people.person .
  ?x0 ns:film.director.film M3 .
  ?x0 ns:film.editor.film M1 .
  ?x0 ns:people.person.gender ns:m.05zppz
  }