Who was the last member of the U.S. Congress to have been a slave owner?
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The United States Senate is part of the United States Congress.
The United States Senate is part of the United States Congress .
Who was the last member of the U.S. Congress to have been a slave owner?</s>The [unused1]United States Senate                [unused2] is part of the United States Congress.
Who was the last member of the U.S. Congress to have been a slave owner?</s>The United States Senate is part of the United States Congress.
Who was the last member of the U.S. Congress to have been a slave owner?</s>The [unused1]United States Senate                [unused2] is part of the United States Congress .
Who was the last member of the U.S. Congress to have been a slave owner?</s>The United States Senate is part of the United States Congress .
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Who was the last member of the U.S. Congress to have been a slave owner?</s>United States Congress,0,United States Congress,United States Congress,has part(s),United States Senate,United States Senate,part of,United States Congress,United States Senate,0,United States Senate