Question: who did the us drop the atomic bomb on
[{'answer': 'Hiroshima', 'provenance': [{'wikipedia_id': '11778948', 'title': 'Atomic bombings of Hiroshima and Nagasaki', 'start_paragraph_id': 0, 'start_character': 19, 'end_paragraph_id': 0, 'end_character': 28, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Nagasaki', 'provenance': [{'wikipedia_id': '11778948', 'title': 'Atomic bombings of Hiroshima and Nagasaki', 'start_paragraph_id': 0, 'start_character': 33, 'end_paragraph_id': 0, 'end_character': 41, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '11778948', 'title': 'Atomic bombings of Hiroshima and Nagasaki', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 349, 'bleu_score': 0.5291127361158621, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14125849160303848150}, 'section': 'Section::::Abstract.'}]}]