Question:  Neela Kuyil  is a remake of  "Ninnishtam Ennishtam" which itself was inspired by an American silent romantic comedy film from what year? 
Sentence (from "Neela Kuyil"): The film is a remake of the Malayalam film "Ninnishtam Ennishtam" which itself was inspired by Charlie Chaplin's "City Lights" .
Relevant evidence: Yes