Question: Huckleberry Finn first appeared in a book that was released in what year?
Sentence (from "Huckleberry Finn"): Huckleberry "Huck" Finn is a fictional character created by Mark Twain who first appeared in the book "The Adventures of Tom Sawyer" and is the protagonist and narrator of its sequel, "Adventures of Huckleberry Finn".
Relevant evidence: Yes