
Determine the topic of the question-answer pair.
Question: "what is the name of the wizard of oz?";  Answer: "The Wizard of Oz, known during his reign as The Great and Powerful Oz, is the epithet of Oscar Zoroaster Phadrig Isaac Norman Henkel Emmannuel Ambroise Diggs, a fictional character in the Land of Oz , created by American author L. Frank Baum ."? Topic: 