Question: who presides over the meetings of a municipal corporation
[{'answer': 'a president', 'provenance': [{'wikipedia_id': '21138950', 'title': 'Municipal governance in India', 'start_paragraph_id': 31, 'start_character': 212, 'end_paragraph_id': 31, 'end_character': 223, 'bleu_score': 1.0, 'section': 'Section::::Municipality (Nagar Palika).\n'}]}, {'provenance': [{'wikipedia_id': '21138950', 'title': 'Municipal governance in India', 'start_paragraph_id': 31, 'start_character': 0, 'end_paragraph_id': 31, 'end_character': 525, 'bleu_score': 0.976043556018343, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10464592244692190095}, 'section': 'Section::::Municipality (Nagar Palika).\n'}]}]