question: Which film editor was M1 's director 's employer 's founder
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.editor .
  ?x0 ns:organization.organization_founder.organizations_founded ?x1 .
  ?x1 ns:business.employer.employees/ns:business.employment_tenure.person ?x2 .
  ?x2 ns:film.director.film M1
  }