question: Was M2 influenced by M3 and M4 , influenced by M0 's Canadian executive producer , and influenced by M5 and M6
query: SELECT count(*) WHERE {
  ?x0 ns:film.producer.films_executive_produced M0 .
  ?x0 ns:people.person.nationality ns:m.0d060g .
  M2 ns:influence.influence_node.influenced_by ?x0 .
  M2 ns:influence.influence_node.influenced_by M3 .
  M2 ns:influence.influence_node.influenced_by M4 .
  M2 ns:influence.influence_node.influenced_by M5 .
  M2 ns:influence.influence_node.influenced_by M6
  }