Question: Michael Dante DiMartino and Cyma Zarghami are developing a new series for which network?
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: Yes