Question: What is the name of the South Korean-Chinese boy group whose hits include "Growl", and members include Byun Baek-hyun?
Sentence (from "Exo (band)"): Exo's first album "XOXO" (2013), which contained the breakthrough hit "Growl", was a critical and commercial success, winning both Disk Daesang at the 28th Golden Disk Awards and Album of the Year at the 15th Mnet Asian Music Awards.
Relevant evidence: Yes