question: Who did a person influence , M1 influence , a Mexican person influence , and M2 influence
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:people.person .
  ?x0 ns:influence.influence_node.influenced_by ?x1 .
  ?x0 ns:influence.influence_node.influenced_by ?x2 .
  ?x0 ns:influence.influence_node.influenced_by M1 .
  ?x0 ns:influence.influence_node.influenced_by M2 .
  ?x1 a ns:people.person .
  ?x2 a ns:people.person .
  ?x2 ns:people.person.nationality ns:m.0b90_r
  }