Question: where was the nuclear test ban treaty signed
[{'answer': 'Moscow', 'provenance': [{'wikipedia_id': '30592', 'title': 'Partial Nuclear Test Ban Treaty', 'start_paragraph_id': 3, 'start_character': 97, 'end_paragraph_id': 3, 'end_character': 103, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '30592', 'title': 'Partial Nuclear Test Ban Treaty', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 344, 'bleu_score': 0.9669306597086381, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16216236547993857390}, 'section': 'Section::::Abstract.'}]}]