question: Was M0 a film editor that was employed by M2 , founded M3 , and founded M4 , M5 , and M6
query: SELECT count(*) WHERE {
  M0 a ns:film.editor .
  M0 ns:organization.organization_founder.organizations_founded M3 .
  M0 ns:organization.organization_founder.organizations_founded M4 .
  M0 ns:organization.organization_founder.organizations_founded M5 .
  M0 ns:organization.organization_founder.organizations_founded M6 .
  M0 ns:people.person.employment_history/ns:business.employment_tenure.company M2
  }