question: Did a film editor marry M1 and M2 and influence a American cinematographer of M4 , M5 , and M6
query: SELECT count(*) WHERE {
  ?x0 a ns:film.editor .
  ?x0 ns:influence.influence_node.influenced ?x1 .
  ?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 .
  ?x1 ns:film.cinematographer.film M4 .
  ?x1 ns:film.cinematographer.film M5 .
  ?x1 ns:film.cinematographer.film M6 .
  ?x1 ns:people.person.nationality ns:m.09c7w0 .
  FILTER ( ?x0 != M1 ) .
  FILTER ( ?x0 != M2 )
  }