Question: who won the presidential election 2018 in zimbabwe
[{'answer': 'incumbent President Emmerson Mnangagwa', 'provenance': [{'wikipedia_id': '48625697', 'title': '2018 Zimbabwean general election', 'start_paragraph_id': 22, 'start_character': 199, 'end_paragraph_id': 22, 'end_character': 237, 'bleu_score': 1.0, 'section': 'Section::::Results.\n'}]}, {'provenance': [{'wikipedia_id': '48625697', 'title': '2018 Zimbabwean general election', 'start_paragraph_id': 22, 'start_character': 0, 'end_paragraph_id': 22, 'end_character': 323, 'bleu_score': 0.959574895300321, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9862495349493611424}, 'section': 'Section::::Results.\n'}]}]