question: Was M2 executive produced by a Spanish cinematographer of M1 and written by M3 and M4
query: SELECT count(*) WHERE {
  ?x0 ns:film.cinematographer.film M1 .
  ?x0 ns:people.person.nationality ns:m.06mkj .
  M2 ns:film.film.executive_produced_by ?x0 .
  M2 ns:film.film.written_by M3 .
  M2 ns:film.film.written_by M4
  }