Question: who made the bomb that was dropped on hiroshima
[{'answer': 'Los Alamos Laboratory', 'provenance': [{'wikipedia_id': '18597', 'title': 'Little Boy', 'start_paragraph_id': 2, 'start_character': 98, 'end_paragraph_id': 2, 'end_character': 119, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]