question: Was a film executive produced by a character , edited by M2 , and edited by M3 written by M1
query: SELECT count(*) WHERE {
  ?x0 a ns:film.film .
  ?x0 ns:film.film.edited_by M2 .
  ?x0 ns:film.film.edited_by M3 .
  ?x0 ns:film.film.executive_produced_by ?x1 .
  ?x0 ns:film.film.written_by M1 .
  ?x1 a ns:fictional_universe.fictional_character
  }