question: Was M0 executive produced by M1 , executive produced by M2 , and produced by M3
query: SELECT count(*) WHERE {
  M0 ns:film.film.executive_produced_by M1 .
  M0 ns:film.film.executive_produced_by M2 .
  M0 ns:film.film.produced_by|ns:film.film.production_companies M3
  }