question: Was M4 's sequel executive produced by M0 , M1 , M2 , and M3 and produced by M5 's actor
query: SELECT count(*) WHERE {
  ?x0 ns:film.film.executive_produced_by M0 .
  ?x0 ns:film.film.executive_produced_by M1 .
  ?x0 ns:film.film.executive_produced_by M2 .
  ?x0 ns:film.film.executive_produced_by M3 .
  ?x0 ns:film.film.prequel M4 .
  ?x0 ns:film.film.produced_by|ns:film.film.production_companies ?x1 .
  ?x1 ns:film.actor.film/ns:film.performance.character M5
  }