Question: The Emerald Wand of Oz was published by the comapny that is headquartered in what city?
Sentence (from "HarperCollins"): HarperCollins Publishers LLC is one of the world's largest publishing companies and is one of the "Big Five" English-language publishing companies, alongside Hachette, Macmillan, Penguin Random House, and Simon & Schuster.
Relevant evidence: No