question: Who was influenced by a film director , influenced by a person , and influenced by M1
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 .
  ?x1 a ns:people.person .
  ?x2 a ns:film.director
  }