question: Which Canadian film editor influenced by M5 directed M7 and wrote M1 , M2 , M3 , and M4
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.editor .
  ?x0 ns:film.director.film M7 .
  ?x0 ns:film.writer.film M1 .
  ?x0 ns:film.writer.film M2 .
  ?x0 ns:film.writer.film M3 .
  ?x0 ns:film.writer.film M4 .
  ?x0 ns:influence.influence_node.influenced_by M5 .
  ?x0 ns:people.person.nationality ns:m.0d060g
  }