Detailed Instructions: Given a question and a context passage, generate the answer having the word or phrase from the context passage. Here, the answer should be a shortest continous span from the passage.
Problem:Context: The Song of the Gargoyle is a 1991 book for young readers by Zilpha Keatley Snyder.
Question: Who wrote the Song of the Gargoyle?
Solution:
zilpha keatley snyder