Question: when was the first weapon ready thermonuclear bomb tested
[{'answer': '1952', 'provenance': [{'wikipedia_id': '2269463', 'title': 'Thermonuclear weapon', 'start_paragraph_id': 6, 'start_character': 80, 'end_paragraph_id': 6, 'end_character': 84, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2269463', 'title': 'Thermonuclear weapon', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 588, 'bleu_score': 0.923590230719014, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3971240201255913666}, 'section': 'Section::::Abstract.'}]}]