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