Question: when did the black death arrive in europe
[{'answer': 'October 1347', 'provenance': [{'wikipedia_id': '20155274', 'title': 'Black Death migration', 'start_paragraph_id': 14, 'start_character': 3, 'end_paragraph_id': 14, 'end_character': 15, 'bleu_score': 1.0, 'section': 'Section::::European outbreak.\n'}]}, {'provenance': [{'wikipedia_id': '20155274', 'title': 'Black Death migration', 'start_paragraph_id': 14, 'start_character': 0, 'end_paragraph_id': 14, 'end_character': 345, 'bleu_score': 0.8661414259615641, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16529760173961761829}, 'section': 'Section::::European outbreak.\n'}]}]