question: Was M1 directed by M0 's spouse
query: SELECT count(*) WHERE {
  ?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 M0 .
  FILTER ( ?x0 != M0 ) .
  M1 ns:film.film.directed_by ?x0
  }