United States v. Benitez-De Los Santos, 650 F.3d 1157 (8th Cir. Aug. 18, 2011) (clerks minutes and abstract of judgment form part of the record of conviction, and are sufficient to establish that defendant pleaded guilty to specific count charged against him, for purposes of showing that controlled substance involved in the conviction was the one identified in the charge); following United States v. Snellenberger, 548 F.3d 699, 702 (9th Cir.2008) (en banc).