question: Was a cinematographer that wrote , executive produced , and directed M2 a film producer
query: SELECT count(*) WHERE {
  ?x0 a ns:film.cinematographer .
  ?x0 a ns:film.producer .
  ?x0 ns:film.director.film M2 .
  ?x0 ns:film.producer.films_executive_produced M2 .
  ?x0 ns:film.writer.film M2
  }