Question: who won the ranji trophy 2018 cricket tournament
[{'answer': 'Vidarbha', 'provenance': [{'wikipedia_id': '54695783', 'title': '2017–18 Ranji Trophy', 'start_paragraph_id': 1, 'start_character': 173, 'end_paragraph_id': 1, 'end_character': 181, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '54695783', 'title': '2017–18 Ranji Trophy', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 528, 'bleu_score': 0.9104501500570921, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10049200540905884162}, 'section': 'Section::::Abstract.'}]}]