Question: when did the guptas come to south africa
[{'answer': '1993', 'provenance': [{'wikipedia_id': '49371917', 'title': 'Gupta family', 'start_paragraph_id': 3, 'start_character': 78, 'end_paragraph_id': 3, 'end_character': 82, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '49371917', 'title': 'Gupta family', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 263, 'bleu_score': 0.739771649155706, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8980371117457135434}, 'section': 'Section::::Abstract.'}]}]