question: Which film producer was influenced by M4 's cinematographer , influenced by M1 , M2 , and M3 , and influenced by a person
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.producer .
  ?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 .
  ?x0 ns:influence.influence_node.influenced_by M3 .
  ?x1 ns:film.cinematographer.film M4 .
  ?x2 a ns:people.person
  }