Question: who gained the power in russia after the october revolution
[{'answer': 'Vladimir Lenin', 'provenance': [{'wikipedia_id': '22661', 'title': 'October Revolution', 'start_paragraph_id': 1, 'start_character': 298, 'end_paragraph_id': 1, 'end_character': 312, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '22661', 'title': 'October Revolution', 'start_paragraph_id': 91, 'start_character': 0, 'end_paragraph_id': 91, 'end_character': 436, 'bleu_score': 0.923732788176137, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1556875204106170413}, 'section': 'Section::::Outcome.\n'}]}]