Question: In which single by rap duo Mobb Deep was Curtis James Jackson III featured on?

Related documents: [0]  [DOC] Curtis James Jackson III (born July 6, 1975), known professionally as 50 Cent, is an American rapper, actor, businessman, and investor. Born in the South Jamaica neighborhood of the borough of Queens, Jackson began selling drugs at age twelve during the 1980s crack epidemic. Although he left drug-dealing to pursue a musical career, in 2000 he was shot nine times. After Jackson released the compilation album "Guess Who's Back?" in 2002, he was discovered by Eminem and signed by Shady Records, Aftermath Entertainment and Interscope Records. [END] 
[1]  [DOC] "Creep" is the fourth and final single by rap duo Mobb Deep, from their album "Blood Money". The song features 50 Cent but the video accompanied with it was made and was not released. The B-side of the single is "It's Alright", featuring Mary J. Blige and 50 Cent. [END]  
Answer: "Creep"
"Creep"