Question: When was the book translated by Jaana Kapari-Jatta that features notes supposedly handwritten by Harry, Ron Weasley, and Hermione Granger published?
Sentence (from "Jaana Kapari-Jatta"): Jaana Marjatta Kapari-Jatta (born 19 May 1955, in Turku) is a Finnish translator of fiction, best known for her Finnish-language renderings of the "Harry Potter" novels and supplementary books by J. K. Rowling, including "Harry Potter and the Cursed Child".
Relevant evidence: No