Question: when did the us place nuclear weapons in turkey
[{'answer': 'April 1962', 'provenance': [{'wikipedia_id': '6827', 'title': 'Cuban Missile Crisis', 'start_paragraph_id': 20, 'start_character': 167, 'end_paragraph_id': 20, 'end_character': 177, 'bleu_score': 1.0, 'section': 'Section::::Soviet deployment of missiles in Cuba.\n'}]}, {'provenance': [{'wikipedia_id': '6827', 'title': 'Cuban Missile Crisis', 'start_paragraph_id': 20, 'start_character': 0, 'end_paragraph_id': 20, 'end_character': 177, 'bleu_score': 0.9321022168949711, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15975817697191675105}, 'section': 'Section::::Soviet deployment of missiles in Cuba.\n'}]}]