Question: the stigma of untouchability was formally abolished in india in the year
[{'answer': '1950', 'provenance': [{'wikipedia_id': '852252', 'title': 'Untouchability', 'start_paragraph_id': 30, 'start_character': 4, 'end_paragraph_id': 30, 'end_character': 8, 'bleu_score': 1.0, 'section': 'Section::::Government action in India.\n'}]}, {'provenance': [{'wikipedia_id': '852252', 'title': 'Untouchability', 'start_paragraph_id': 30, 'start_character': 0, 'end_paragraph_id': 30, 'end_character': 375, 'bleu_score': 0.9632870032952191, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5918827586554172126}, 'section': 'Section::::Government action in India.\n'}]}]