Question: who defined the first poverty line in india
[{'answer': '1990', 'provenance': [{'wikipedia_id': '5821337', 'title': 'Poverty in India', 'start_paragraph_id': 2, 'start_character': 91, 'end_paragraph_id': 2, 'end_character': 95, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5821337', 'title': 'Poverty in India', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 511, 'bleu_score': 0.8890386063532961, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7569899754373669398}, 'section': 'Section::::Abstract.'}]}]