question: Was M1 founded by M2 , founded by M3 , and founded by a company 's founder
query: SELECT count(*) WHERE {
  ?x0 ns:organization.organization_founder.organizations_founded ?x1 .
  ?x1 a ns:business.employer .
  M1 ns:organization.organization.founders ?x0 .
  M1 ns:organization.organization.founders M2 .
  M1 ns:organization.organization.founders M3
  }