question: Did M4 marry M5 , marry a Canadian cinematographer , and marry a editor of M0 and M1
query: SELECT count(*) WHERE {
  ?x0 ns:film.editor.film M0 .
  ?x0 ns:film.editor.film M1 .
  ?x1 a ns:film.cinematographer .
  ?x1 ns:people.person.nationality ns:m.0d060g .
  FILTER ( M4 != ?x0 ) .
  FILTER ( M4 != ?x1 ) .
  FILTER ( M4 != M5 ) .
  M4 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 .
  M4 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 .
  M4 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses M5
  }