question: Was a film directed , edited , executive produced , and written by M1 's star
query: SELECT count(*) WHERE {
  ?x0 a ns:film.film .
  ?x0 ns:film.film.directed_by ?x1 .
  ?x0 ns:film.film.edited_by ?x1 .
  ?x0 ns:film.film.executive_produced_by ?x1 .
  ?x0 ns:film.film.written_by ?x1 .
  ?x1 ns:film.actor.film/ns:film.performance.film M1
  }