question: Was M4 edited by a person that M1 , M2 , and M3 married and edited by M5 , M6 , and M7
query: SELECT count(*) WHERE {
  ?x0 a ns:people.person .
  ?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 .
  ?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 M3 .
  FILTER ( ?x0 != M1 ) .
  FILTER ( ?x0 != M2 ) .
  FILTER ( ?x0 != M3 ) .
  M4 ns:film.film.edited_by ?x0 .
  M4 ns:film.film.edited_by M5 .
  M4 ns:film.film.edited_by M6 .
  M4 ns:film.film.edited_by M7
  }