question: Which employer of a Canadian editor of M2 did M0 found
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
  ?x0 ns:organization.organization.founders M0 .
  ?x1 ns:film.editor.film M2 .
  ?x1 ns:people.person.nationality ns:m.0d060g
  }