question: Which person was influenced by M1 , influenced by a Mexican star and producer of M4 , and influenced by M2
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 M1 .
  ?x0 ns:influence.influence_node.influenced_by M2 .
  ?x1 ns:film.actor.film/ns:film.performance.film M4 .
  ?x1 ns:film.producer.film|ns:film.production_company.films M4 .
  ?x1 ns:people.person.nationality ns:m.0b90_r
  }