question: Was M1 a film 's prequel 's executive producer , cinematographer , and producer
query: SELECT count(*) WHERE {
  ?x0 ns:film.film.sequel ?x1 .
  ?x1 a ns:film.film .
  M1 ns:film.cinematographer.film ?x0 .
  M1 ns:film.producer.films_executive_produced ?x0 .
  M1 ns:film.producer.film|ns:film.production_company.films ?x0
  }