Question: What is the name of the underground rap group that former American drug dealer who partnered with Rich Porter and Alpo Martinez founded?
Sentence (from "Rich Porter"): Richard "Rich" Porter (July 26, 1965January 4, 1990) was an American drug dealer who rose to prominence in Harlem during the War on Drugs in the mid-1980s; police described him as being a "high-level crack dealer" who "sold about $50,000 worth of crack a week".
Relevant evidence: No