question: Did M2 , M4 , and M5 influence a actor , influence M3 , and influence a person
query: SELECT count(*) WHERE {
  ?x0 a ns:film.actor .
  ?x1 a ns:people.person .
  M2 ns:influence.influence_node.influenced ?x0 .
  M2 ns:influence.influence_node.influenced ?x1 .
  M2 ns:influence.influence_node.influenced M3 .
  M4 ns:influence.influence_node.influenced ?x0 .
  M4 ns:influence.influence_node.influenced ?x1 .
  M4 ns:influence.influence_node.influenced M3 .
  M5 ns:influence.influence_node.influenced ?x0 .
  M5 ns:influence.influence_node.influenced ?x1 .
  M5 ns:influence.influence_node.influenced M3
  }