Question: what did the american south's jim crow laws do
[{'answer': 'enforced racial segregation', 'provenance': [{'wikipedia_id': '19481110', 'title': 'Jim Crow laws', 'start_paragraph_id': 1, 'start_character': 45, 'end_paragraph_id': 1, 'end_character': 72, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]