Question: where is the 2017 gold cup final being played
[{'answer': 'United States', 'provenance': [{'wikipedia_id': '47349042', 'title': '2017 CONCACAF Gold Cup', 'start_paragraph_id': 1, 'start_character': 310, 'end_paragraph_id': 1, 'end_character': 323, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]