Question: when did the us detonate the first hydrogen bomb
[{'answer': 'November 1 , 1952', 'provenance': [{'wikipedia_id': '947674', 'title': 'Ivy Mike', 'start_paragraph_id': 1, 'start_character': 172, 'end_paragraph_id': 1, 'end_character': 191, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '947674', 'title': 'Ivy Mike', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 379, 'bleu_score': 0.9716239638199891, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18183881189439628893}, 'section': 'Section::::Abstract.'}]}]