Question: how many medals did canada win at the 2014 olympics
[{'answer': '25', 'provenance': [{'wikipedia_id': '38490807', 'title': 'Canada at the 2014 Winter Olympics', 'start_paragraph_id': 4, 'start_character': 66, 'end_paragraph_id': 4, 'end_character': 68, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]