Question: where is gold mined in the united states
[{'answer': 'Nevada', 'provenance': [{'wikipedia_id': '11579778', 'title': 'Gold mining in the United States', 'start_paragraph_id': 4, 'start_character': 164, 'end_paragraph_id': 4, 'end_character': 170, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '11579778', 'title': 'Gold mining in the United States', 'start_paragraph_id': 5, 'start_character': 39, 'end_paragraph_id': 5, 'end_character': 381, 'bleu_score': 0.7941773119355261, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9191039497937159373}, 'section': 'Section::::Abstract.'}]}]