question: Did M0 , M4 , M5 , and M6 executive produce M1 , M2 , and M3
query: SELECT count(*) WHERE {
  M0 ns:film.producer.films_executive_produced M1 .
  M0 ns:film.producer.films_executive_produced M2 .
  M0 ns:film.producer.films_executive_produced M3 .
  M4 ns:film.producer.films_executive_produced M1 .
  M4 ns:film.producer.films_executive_produced M2 .
  M4 ns:film.producer.films_executive_produced M3 .
  M5 ns:film.producer.films_executive_produced M1 .
  M5 ns:film.producer.films_executive_produced M2 .
  M5 ns:film.producer.films_executive_produced M3 .
  M6 ns:film.producer.films_executive_produced M1 .
  M6 ns:film.producer.films_executive_produced M2 .
  M6 ns:film.producer.films_executive_produced M3
  }