question: Was a company whose founder influenced M0 , was influenced by M1 and M2 , and was influenced by M3 M4
query: SELECT count(*) WHERE {
  ?x0 ns:influence.influence_node.influenced M0 .
  ?x0 ns:influence.influence_node.influenced_by M1 .
  ?x0 ns:influence.influence_node.influenced_by M2 .
  ?x0 ns:influence.influence_node.influenced_by M3 .
  M4 a ns:business.employer .
  M4 ns:organization.organization.founders ?x0
  }