question: Did a person found M1 and M2 , found M3 , M4 , M5 , and M6 , and found M7
query: SELECT count(*) WHERE {
  ?x0 a ns:people.person .
  ?x0 ns:organization.organization_founder.organizations_founded M1 .
  ?x0 ns:organization.organization_founder.organizations_founded M2 .
  ?x0 ns:organization.organization_founder.organizations_founded M3 .
  ?x0 ns:organization.organization_founder.organizations_founded M4 .
  ?x0 ns:organization.organization_founder.organizations_founded M5 .
  ?x0 ns:organization.organization_founder.organizations_founded M6 .
  ?x0 ns:organization.organization_founder.organizations_founded M7
  }