Question: "So Fresh, So Clean" further propelled the sales of "Stankonia" after the success of which American alternative hip hop duo OutKast? 
Sentence (from "Ms. Jackson"): In October 2011, "NME" placed it at number 81 on its list of the "150 Best Tracks of the Past 15 Years" and in June of the same year "Rolling Stone" ranked it at number 55 in their "100 Best Songs of the 2000s".
Relevant evidence: No