question: Who was influenced by M1 , influenced by a actor of M4 , and influenced by a British screenwriter 's parent
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 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child ?x3 .
  ?x2 ns:film.actor.film/ns:film.performance.character M4 .
  ?x3 a ns:film.writer .
  ?x3 ns:people.person.nationality ns:m.07ssc
  }