Question: where was the last winter olympic games held
[{'answer': 'Pyeongchang , South Korea', 'provenance': [{'wikipedia_id': '34069', 'title': 'Winter Olympic Games', 'start_paragraph_id': 47, 'start_character': 16, 'end_paragraph_id': 47, 'end_character': 41, 'bleu_score': 1.0, 'section': 'Section::::History.:21st century.:2014 to 2018.\n'}]}, {'provenance': [{'wikipedia_id': '34069', 'title': 'Winter Olympic Games', 'start_paragraph_id': 47, 'start_character': 0, 'end_paragraph_id': 47, 'end_character': 701, 'bleu_score': 0.9832621206481431, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8825199475776428929}, 'section': 'Section::::History.:21st century.:2014 to 2018.\n'}]}]