Question: who had the most gold medals in 2014 olympics
[{'answer': 'Russia', 'provenance': [{'wikipedia_id': '26481991', 'title': '2014 Winter Olympics medal table', 'start_paragraph_id': 1, 'start_character': 124, 'end_paragraph_id': 1, 'end_character': 130, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]