question: Who was influenced by M1 , influenced by M2 , and influenced by M4 's distributor 's American employee
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:people.person.employment_history/ns:business.employment_tenure.company ?x2 .
  ?x1 ns:people.person.nationality ns:m.09c7w0 .
  ?x2 ns:film.film_distributor.films_distributed/ns:film.film_film_distributor_relationship.film M4
  }