The conversation between human and AI assistant.
[|Human|] Given the reference text about the Emancipation Proclamation, approximately how many enslaved African Americans were freed?
[|AI|] Approximately 3.5 million enslaved African Americans were freed by the Emancipation Proclamation.
[|Human|] 
Given the reference text about the Emancipation Proclamation, approximately how many enslaved African Americans were freed?