question: Which film editor founded M1 , founded a company , and founded M2
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.editor .
  ?x0 ns:organization.organization_founder.organizations_founded ?x1 .
  ?x0 ns:organization.organization_founder.organizations_founded M1 .
  ?x0 ns:organization.organization_founder.organizations_founded M2 .
  ?x1 a ns:business.employer
  }