Question: when did the development of nuclear science begin
[{'answer': '1898', 'provenance': [{'wikipedia_id': '242883', 'title': 'History of nuclear weapons', 'start_paragraph_id': 3, 'start_character': 135, 'end_paragraph_id': 3, 'end_character': 139, 'bleu_score': 1.0, 'section': 'Section::::Physics and politics in the 1930s and 1940s.\n'}]}, {'provenance': [{'wikipedia_id': '242883', 'title': 'History of nuclear weapons', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 567, 'bleu_score': 0.9768747032089851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13255407961630229282}, 'section': 'Section::::Physics and politics in the 1930s and 1940s.\n'}]}]