Question: How many years did Michael Dante DiMartino work for an American animation studio owned by Waterman Entertainment?
Sentence (from "Michael Dante DiMartino"): In a 2010 interview the president of Nickelodeon, Cyma Zarghami, confirmed that DiMartino and Konietzko were developing a new series for the network, called "The Legend of Korra".
Relevant evidence: No