question: Did a Canadian director of M2 , M3 , M4 , and M5 found M0
query: SELECT count(*) WHERE {
  ?x0 ns:film.director.film M2 .
  ?x0 ns:film.director.film M3 .
  ?x0 ns:film.director.film M4 .
  ?x0 ns:film.director.film M5 .
  ?x0 ns:organization.organization_founder.organizations_founded M0 .
  ?x0 ns:people.person.nationality ns:m.0d060g
  }