Question: where is the world series of poker held 2017
[{'answer': 'May 30 - July 17'}, {'provenance': [{'wikipedia_id': '52638832', 'title': '2017 World Series of Poker', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 337, 'bleu_score': 0.9128479730518221, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5026182065750300334}, 'section': 'Section::::Abstract.'}]}]