Question: who did the chicago cubs beat in the world series last year
[{'answer': 'Cleveland Indians', 'provenance': [{'wikipedia_id': '46779328', 'title': '2016 World Series', 'start_paragraph_id': 1, 'start_character': 259, 'end_paragraph_id': 1, 'end_character': 276, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '46779328', 'title': '2016 World Series', 'start_paragraph_id': 1, 'start_character': 117, 'end_paragraph_id': 1, 'end_character': 735, 'bleu_score': 0.732622733978741, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17328592915162948842}, 'section': 'Section::::Abstract.'}]}]