question: Which film producer directed M3 and M4 , edited M1 , directed M5 , and wrote M2
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.producer .
  ?x0 ns:film.director.film M3 .
  ?x0 ns:film.director.film M4 .
  ?x0 ns:film.director.film M5 .
  ?x0 ns:film.editor.film M1 .
  ?x0 ns:film.writer.film M2
  }