THe audio book with ISBN 978-1-4084-6879-1 is read by whom?
CREATE TABLE "original_audiobooks" (
  "num" real,
  "title" text,
  "author" text,
  "doctor" text,
  "featuring" text,
  "read_by" text,
  "published" text,
  "isbn" text
);
SELECT "read_by" FROM "original_audiobooks" WHERE "isbn"='ISBN 978-1-4084-6879-1';