Domain: books

question: What year the first book of the series The Dark Tower released?
answer_text: 1982
paraphrase: Release year of first The Dark Tower book?

question: name of the last book?
answer_text: The Wind Through the Keyhole
completed: What is the last book of The Dark Tower?
paraphrase: Which book was the last one?

question: how many books in this series?
answer_text: 9
completed: How many books in The Dark Tower series?
paraphrase: no. of books in the series?

question: author of the book?
answer_text: Stephen King
completed: Who wrote The Dark Tower novel series?
paraphrase: who wrote the book?

question: and when?
answer_text: 21 September 1947
completed: When was Stephen King born?
paraphrase: his date of birth?