question: Was M0 a film director that directed and executive produced M1 and M2
query: SELECT count(*) WHERE {
  M0 ns:film.director.film M1 .
  M0 ns:film.director.film M2 .
  M0 ns:film.producer.films_executive_produced M1 .
  M0 ns:film.producer.films_executive_produced M2
  }