question: Did a Spanish cinematographer of M3 , M4 , M5 , and M6 write M0 and M1
query: SELECT count(*) WHERE {
  ?x0 ns:film.cinematographer.film M3 .
  ?x0 ns:film.cinematographer.film M4 .
  ?x0 ns:film.cinematographer.film M5 .
  ?x0 ns:film.cinematographer.film M6 .
  ?x0 ns:film.writer.film M0 .
  ?x0 ns:film.writer.film M1 .
  ?x0 ns:people.person.nationality ns:m.06mkj
  }