question: Was a person that M2 and M3 were founded by and M4 and M5 were founded by M0
query: SELECT count(*) WHERE {
  M0 a ns:people.person .
  M0 ns:organization.organization_founder.organizations_founded M2 .
  M0 ns:organization.organization_founder.organizations_founded M3 .
  M0 ns:organization.organization_founder.organizations_founded M4 .
  M0 ns:organization.organization_founder.organizations_founded M5
  }