Question: when did the jim crow law began and end
[{'answer': '1965', 'provenance': [{'wikipedia_id': '19481110', 'title': 'Jim Crow laws', 'start_paragraph_id': 1, 'start_character': 274, 'end_paragraph_id': 1, 'end_character': 278, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'the late 19th century after the Reconstruction period'}]