Question: when was the panchayat raj system introduced in india
[{'answer': '1992', 'provenance': [{'wikipedia_id': '5475263', 'title': 'Panchayati raj (India)', 'start_paragraph_id': 1, 'start_character': 138, 'end_paragraph_id': 1, 'end_character': 142, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5475263', 'title': 'Panchayati raj (India)', 'start_paragraph_id': 1, 'start_character': 3, 'end_paragraph_id': 1, 'end_character': 576, 'bleu_score': 0.7669569860309361, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7028240051501980776}, 'section': 'Section::::Abstract.'}]}]