Question: who presides over the joint sessions of parliament
[{'answer': 'President', 'provenance': [{'wikipedia_id': '49973970', 'title': 'Joint Session of the Parliament of India', 'start_paragraph_id': 2, 'start_character': 53, 'end_paragraph_id': 2, 'end_character': 62, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '49973970', 'title': 'Joint Session of the Parliament of India', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18001332104886454198}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '49973970', 'title': 'Joint Session of the Parliament of India', 'section': 'Section::::Abstract.', 'start_paragraph_id': 2, 'end_paragraph_id': 2, 'meta': {'evidence_span': ["The joint sitting of the Parliament is called by the President (Article 108) and is presided over by the Speaker or, in his absence, by the Deputy Speaker of the Lok Sabha or in his absence, the Deputy-Chairman of the Rajya Sabha. The Chairman doesn't preside over the joint session at any means/cost.", "The joint sitting of the Parliament is called by the President (Article 108) and is presided over by the Speaker or, in his absence, by the Deputy Speaker of the Lok Sabha or in his absence, the Deputy-Chairman of the Rajya Sabha. The Chairman doesn't preside over the joint session at any means/cost.", 'President']}}]}]