question: Were M2 , M3 , and M4 founded by a company 's employee and founder and founded by M1 's director
query: SELECT count(*) WHERE {
  ?x0 ns:organization.organization_founder.organizations_founded ?x1 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
  ?x1 a ns:business.employer .
  ?x2 ns:film.director.film M1 .
  M2 ns:organization.organization.founders ?x0 .
  M2 ns:organization.organization.founders ?x2 .
  M3 ns:organization.organization.founders ?x0 .
  M3 ns:organization.organization.founders ?x2 .
  M4 ns:organization.organization.founders ?x0 .
  M4 ns:organization.organization.founders ?x2
  }