question: What film producer was M2 's sequel 's Spanish executive producer
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.producer .
  ?x0 ns:film.producer.films_executive_produced ?x1 .
  ?x0 ns:people.person.nationality ns:m.06mkj .
  ?x1 ns:film.film.prequel M2
  }