question: Did a film star M1 and M2 , star M3 and M4 , and star M5
query: SELECT count(*) WHERE {
  ?x0 a ns:film.film .
  ?x0 ns:film.film.starring/ns:film.performance.actor M1 .
  ?x0 ns:film.film.starring/ns:film.performance.actor M2 .
  ?x0 ns:film.film.starring/ns:film.performance.actor M3 .
  ?x0 ns:film.film.starring/ns:film.performance.actor M4 .
  ?x0 ns:film.film.starring/ns:film.performance.actor M5
  }