Question: Who is the spouse of the performer of song Betcha Gon' Know (The Prologue)?
Sentence (from "Betcha Gon' Know (The Prologue)"): Upon the release of "Memoirs of an Imperfect Angel", the song peaked at number 66 on the US Hot Digital Songs chart in October 2009, and remained on the chart for a total of two weeks.
Relevant evidence: No