question: Was a film editor whose employer was founded by M0 , employed a film director , and was founded by M1 M3
query: SELECT count(*) WHERE {
  ?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
  ?x0 ns:organization.organization.founders M0 .
  ?x0 ns:organization.organization.founders M1 .
  ?x1 a ns:film.director .
  M3 a ns:film.editor .
  M3 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0
  }