question: Did M3 marry a screenwriter , influence a Italian film editor , and marry M4
query: SELECT count(*) WHERE {
  ?x0 a ns:film.editor .
  ?x0 ns:people.person.nationality ns:m.03rjj .
  ?x1 a ns:film.writer .
  FILTER ( M3 != ?x1 ) .
  FILTER ( M3 != M4 ) .
  M3 ns:influence.influence_node.influenced ?x0 .
  M3 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses ?x1 .
  M3 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses M4
  }