Question: who win the test series india vs south africa
[{'answer': 'South Africa', 'provenance': [{'wikipedia_id': '52240169', 'title': 'Indian cricket team in South Africa in 2017–18', 'start_paragraph_id': 0, 'start_character': 23, 'end_paragraph_id': 0, 'end_character': 35, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '52240169', 'title': 'Indian cricket team in South Africa in 2017–18', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 811, 'bleu_score': 0.9613050207098811, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 605220420370105262}, 'section': 'Section::::Abstract.'}]}]