Question: where did the us test nuclear weapons in the pacific
[{'answer': 'Marshall Islands', 'provenance': [{'wikipedia_id': '2438308', 'title': 'Pacific Proving Grounds', 'start_paragraph_id': 1, 'start_character': 107, 'end_paragraph_id': 1, 'end_character': 123, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2438308', 'title': 'Pacific Proving Grounds', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 355, 'bleu_score': 0.9227084493702921, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1931014575835686812}, 'section': 'Section::::Abstract.'}]}]