question: Did a film director write M1 , executive produce M2 , and executive produce M3 , M4 , and M5
query: SELECT count(*) WHERE {
  ?x0 a ns:film.director .
  ?x0 ns:film.producer.films_executive_produced M2 .
  ?x0 ns:film.producer.films_executive_produced M3 .
  ?x0 ns:film.producer.films_executive_produced M4 .
  ?x0 ns:film.producer.films_executive_produced M5 .
  ?x0 ns:film.writer.film M1
  }