question: In terms of units sold, did Jay-Z's "Vol. 2: Hard Knock Life" or "Kingdom Come" sell more?
answerText: Vol. 2: Hard Knock Life
questionEntity.name: Q62766
questionEntity.entityType: entity
questionEntity.label: Jay-Z
questionEntity.mention: Jay-Z's
questionEntity.name: Q2455314
questionEntity.entityType: entity
questionEntity.label: Vol. 2... Hard Knock Life
questionEntity.mention: "Vol. 2: Hard Knock Life"
questionEntity.name: Q2471112
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questionEntity.label: Kingdom Come
questionEntity.mention: "Kingdom Come"
answerEntity.name: Q2455314
answerEntity.label: Vol. 2... Hard Knock Life