Question: When did the movie knock knock come out?
Disambiguated questions and answers: question: When did the short animated film knock knock come out featuring Woody Woodpecker?
When did the movie knock knock directed by Eli Roth come out at Sundance?
When did the movie knock knock directed by Eli Roth come out broadly in the United States?
answer: November 25, 1940
January 23, 2015
October 9, 2015
Natural Questions answer: 2015 (from the Wikipedia article "Knock Knock (2015 film)")