question: Did M2 's female spouse marry M1
query: SELECT count(*) WHERE {
  ?x0 ns:people.person.gender ns:m.02zsn .
  ?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 M1 .
  ?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 M2 .
  FILTER ( ?x0 != M1 ) .
  FILTER ( ?x0 != M2 )
  }