question: Did M1 produce a film , executive produce M4 , M5 , and M6 , and write M2 and M3
query: SELECT count(*) WHERE {
  ?x0 a ns:film.film .
  M1 ns:film.producer.films_executive_produced M4 .
  M1 ns:film.producer.films_executive_produced M5 .
  M1 ns:film.producer.films_executive_produced M6 .
  M1 ns:film.producer.film|ns:film.production_company.films ?x0 .
  M1 ns:film.writer.film M2 .
  M1 ns:film.writer.film M3
  }