Question: What star of A Chinese Ghost Story is widely known as "Fairy Sister"?
Sentence (from "A Chinese Ghost Story (2011 film)"): A Chinese Ghost Story, also known as A Chinese Fairy Tale, is a 2011 fantasy-supernatural film directed by Wilson Yip, starring Louis Koo, Liu Yifei, Yu Shaoqun, Kara Hui, Louis Fan, and Wang Danyi Li.
Relevant evidence: Yes