Question: when are the next winter olympics taking place
[{'answer': '2018', 'provenance': [{'wikipedia_id': '961505', 'title': '2018 Winter Olympics', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 4, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]