Question: when were pass laws abolished in south africa
[{'answer': '1986', 'provenance': [{'wikipedia_id': '1997870', 'title': 'Pass laws', 'start_paragraph_id': 1, 'start_character': 653, 'end_paragraph_id': 1, 'end_character': 657, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1997870', 'title': 'Pass laws', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 657, 'bleu_score': 0.9591116223104591, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3106381796534464341}, 'section': 'Section::::Abstract.'}]}]