question: Was a film editor that a film producer employed and was founded by M1
query: SELECT count(*) WHERE {
  ?x0 a ns:film.producer .
  M1 a ns:film.editor .
  M1 ns:organization.organization_founder.organizations_founded ?x0 .
  M1 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0
  }