question: Did M2 , M3 , and M4 influence a female person
query: SELECT count(*) WHERE {
  ?x0 a ns:people.person .
  ?x0 ns:people.person.gender ns:m.02zsn .
  M2 ns:influence.influence_node.influenced ?x0 .
  M3 ns:influence.influence_node.influenced ?x0 .
  M4 ns:influence.influence_node.influenced ?x0
  }