question: Did M6 's Mexican employee influence M0 , M1 , M2 , M3 , and M4 and influence M5
query: SELECT count(*) WHERE {
  ?x0 ns:influence.influence_node.influenced M0 .
  ?x0 ns:influence.influence_node.influenced M1 .
  ?x0 ns:influence.influence_node.influenced M2 .
  ?x0 ns:influence.influence_node.influenced M3 .
  ?x0 ns:influence.influence_node.influenced M4 .
  ?x0 ns:influence.influence_node.influenced M5 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M6 .
  ?x0 ns:people.person.nationality ns:m.0b90_r
  }