Question: Which video game published by Sega in 2001 was the sequel to a video game developed by Ys Net?
Sentence (from "Ys Seven"): It was released in Japan during 2009 for the Sony PlayStation Portable and was released by XSEED Games in North America on August 17, 2010, in Europe on November 3, 2010 and in Australia on February 20, 2013.
Relevant evidence: No