Question: The American hip hop artist Riff Raff, has released two studio albums, one EP, twelve mixtapes, and thirteen singles, Horst Christian Simco (born January 29, 1982), better known by the stage name Riff Raff (often stylized as RiFF RAFF), is an American rapper from Houston, in which state? 
Sentence (from "Riff Raff discography"): The American hip hop artist Riff Raff, has released two studio albums, one EP, twelve mixtapes, and thirteen singles.
Relevant evidence: Yes