Instructions: In this task, you're given a passage, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both passage and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the passage or linked information.
Input: Passage: "The Ivory Goddess" is a short story by American writers L. Sprague de Camp and Lin Carter, featuring the fictional sword and sorcery hero Conan the Barbarian created by Robert E. Howard. According to Morgan Holmes, citing de Camp friend Loay Hall, Carter did none of the writing, and the story was written by de Camp in collaboration with his wife Catherine Crook de Camp. The story was first published by Bantam Books in the paperback anthology Conan the Swordsman in August 1978. Later paperback editions of the collection were issued by Ace Books (1987 and 1991). The first hardcover edition was published by Tor Books in 2002. The book has also been translated into Italian. It was later gathered together with Conan the Liberator and Conan and the Spider God into the omnibus collection Sagas of Conan (Tor Books, 2004). The story has been translated into Italian.
Link Information: Linwood Vrooman Carter (June 9, 1930 February 7, 1988) Answer: L. Sprague de Camp
Output:
Who is the oldest writer of the pair who wrote The Ivory Goddess?