Question: where is radioactive waste stored in the us
[{'answer': 'Yucca Mountain Nuclear Waste Repository', 'provenance': [{'wikipedia_id': '140807', 'title': 'Yucca Mountain nuclear waste repository', 'start_paragraph_id': 1, 'start_character': 4, 'end_paragraph_id': 1, 'end_character': 43, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '140807', 'title': 'Yucca Mountain nuclear waste repository', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 403, 'bleu_score': 0.8946675789656701, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15623923992060776767}, 'section': 'Section::::Abstract.'}]}]