question: Were M4 and M5 executive produced by a screenwriter that M1 , M2 , and M3 were edited by and written by
query: SELECT count(*) WHERE {
  ?x0 a ns:film.writer .
  ?x0 ns:film.editor.film M1 .
  ?x0 ns:film.editor.film M2 .
  ?x0 ns:film.editor.film M3 .
  ?x0 ns:film.writer.film M1 .
  ?x0 ns:film.writer.film M2 .
  ?x0 ns:film.writer.film M3 .
  M4 ns:film.film.executive_produced_by ?x0 .
  M5 ns:film.film.executive_produced_by ?x0
  }