question: Was M2 executive produced by and edited by a person that M1 was edited by , executive produced by , and written by
query: SELECT count(*) WHERE {
  ?x0 a ns:people.person .
  ?x0 ns:film.editor.film M1 .
  ?x0 ns:film.producer.films_executive_produced M1 .
  ?x0 ns:film.writer.film M1 .
  M2 ns:film.film.edited_by ?x0 .
  M2 ns:film.film.executive_produced_by ?x0
  }