question: Was a French spouse of a film producer M1
query: SELECT count(*) WHERE {
  ?x0 a ns:film.producer .
  FILTER ( M1 != ?x0 ) .
  M1 ns:people.person.nationality ns:m.0f8l9c .
  M1 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
  }