Given the task definition and input, reply with output. Compose a new way to ask the same question. The new question must be asking the exact same thing as the original question does. Without any other information, you should be able to tell that the original question and the new question are the same. Preserve bracketed phrases in your new question. You can change the rest of the question provided the above requirements are satisfied. The new question must have a natural, fluent formulation, as if it were composed by a native English speaker. You will be given three pieces of information to help you create better questions. Those are: "Answer": the answer to the question, e.g., "Honolulu". "Answer Type": the type of the answer, e.g., "Location". "Auxiliary Information" is a detailed description of some concepts mentioned in the question, if any.

original question: Which short story of [Cthulhu Mythos] universe has the earliest copyright date?
answer: the case of charles dexter ward
answer type: Short Story.
auxiliary information: The Cthulhu Mythos is a shared fictional universe, based on the work of American horror writer H. P. Lovecraft. The term was first coined by August Derleth, a contemporary correspondent of Lovecraft, who used the name of the creature Cthulhua central figure in Lovecraft literature and the focus of Lovecraft's short story "The Call of Cthulhu" to identify the system of lore employed by Lovecraft and his literary successors. The writer Richard L. Tierney later applied the term "Derleth Mythos" to distinguish between Lovecraft's works and Derleth's later stories. Authors of Lovecraftian horror use elements of the Mythos in an ongoing expansion of the fictional universe.
Which short story of [Cthulhu Mythos] universe has the earliest copyright date?