question: Did M2 marry M3 and marry a screenwriter 's Spanish spouse
query: SELECT count(*) WHERE {
  ?x0 ns:people.person.nationality ns:m.06mkj .
  ?x0 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses ?x1 .
  ?x1 a ns:film.writer .
  FILTER ( ?x0 != ?x1 ) .
  FILTER ( M2 != ?x0 ) .
  FILTER ( M2 != M3 ) .
  M2 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses ?x0 .
  M2 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses M3
  }