Question: What rapper who's debut single was "Crank That", collaborated with The Pack?

Related documents: [0]  [DOC] The Pack was a hip hop group formed in Berkeley, California in 2004. The group consisted of Lil B (Brandon McCartney), Young L (Lloyd Omadhebo), Stunnaman (Keith Jenkins), and Lil Uno (Damonte Johnson). They all recorded together for over a year at Young L's home studio where they released their first two mixtapes "Wolfpack Muzik Vol. 1" and "Wolfpack Muzik Vol. 2". The Pack expanded their fanbase and eventually got signed to a major label, when Too Short signed The Pack to his Jive Records-distributed label Up All Nite Records. The Pack is usually known for their skateboard raps and the sexually explicit content of many of their songs. The group is best known for the track "Vans". The Pack has also collaborated with musicians such as Soulja Boy, Wiz Khalifa, and Taymoney20. [END] 
[1]  [DOC] DeAndre Cortez Way (born July 28, 1990), known professionally as Soulja Boy Tell 'Em, or simply Soulja Boy, is an American rapper, record producer, actor and entrepreneur. In September 2007, his debut single "Crank That (Soulja Boy)" peaked at number one on the U.S. "Billboard" Hot 100. The single was initially self-published to the internet, and later became a number-one hit in the United States for seven non-consecutive weeks starting in September 2007. On August 17, Way was listed at number 18 on the "Forbes" list of Hip-Hop Cash Kings of 2010 for earning $7 million for that year. [END]  
Answer: Soulja Boy
Soulja Boy