question: Was M2 produced by M3 , produced by M1 's spouse , and distributed by a film director
query: SELECT count(*) WHERE {
  ?x0 a ns:film.director .
  ?x1 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 .
  FILTER ( ?x1 != M1 ) .
  M2 ns:film.film.distributors/ns:film.film_film_distributor_relationship.distributor ?x0 .
  M2 ns:film.film.produced_by|ns:film.film.production_companies ?x1 .
  M2 ns:film.film.produced_by|ns:film.film.production_companies M3
  }