Question: who are the teams in the gold cup
[{'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.'}]}, {'answer': 'Jamaica', 'provenance': [{'wikipedia_id': '47349042', 'title': '2017 CONCACAF Gold Cup', 'start_paragraph_id': 2, 'start_character': 68, 'end_paragraph_id': 2, 'end_character': 75, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '47349042', 'title': '2017 CONCACAF Gold Cup', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 88, 'bleu_score': 0.674945488826271, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4815011362624149943}, 'section': 'Section::::Abstract.'}]}]