question: Did M1 and M6 found M2 , M3 , M4 , and M5 and found a art director 's employer
query: SELECT count(*) WHERE {
  ?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
  ?x1 a ns:film.film_art_director .
  M1 ns:organization.organization_founder.organizations_founded ?x0 .
  M1 ns:organization.organization_founder.organizations_founded M2 .
  M1 ns:organization.organization_founder.organizations_founded M3 .
  M1 ns:organization.organization_founder.organizations_founded M4 .
  M1 ns:organization.organization_founder.organizations_founded M5 .
  M6 ns:organization.organization_founder.organizations_founded ?x0 .
  M6 ns:organization.organization_founder.organizations_founded M2 .
  M6 ns:organization.organization_founder.organizations_founded M3 .
  M6 ns:organization.organization_founder.organizations_founded M4 .
  M6 ns:organization.organization_founder.organizations_founded M5
  }