Question: who won the zimbabwe presidential elections in 2018
[{'answer': 'Emmerson Mnangagwa', 'provenance': [{'wikipedia_id': '48625697', 'title': '2018 Zimbabwean general election', 'start_paragraph_id': 3, 'start_character': 30, 'end_paragraph_id': 3, 'end_character': 48, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'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': 17854409324875770872}, 'section': 'Section::::Results.\n'}]}]