question: Did a Canadian writer of M0 and M1 influence M2 and marry M4 and M5
query: SELECT count(*) WHERE {
  ?x0 ns:film.writer.film M0 .
  ?x0 ns:film.writer.film M1 .
  ?x0 ns:influence.influence_node.influenced M2 .
  ?x0 ns:people.person.nationality ns:m.0d060g .
  ?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 M4 .
  ?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 M5 .
  FILTER ( ?x0 != M4 ) .
  FILTER ( ?x0 != M5 )
  }