Question: when was the first nuclear power plant built in germany
[{'answer': '1969', 'provenance': [{'wikipedia_id': '8870938', 'title': 'Nuclear power in Germany', 'start_paragraph_id': 2, 'start_character': 122, 'end_paragraph_id': 2, 'end_character': 126, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]