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 "Safety Last!"): It includes one of the most famous images from the silent film era: Lloyd clutching the hands of a large clock as he dangles from the outside of a skyscraper above moving traffic.
Relevant evidence: No