Question: when did the black death end in europe
[{'answer': '19th century', 'provenance': [{'wikipedia_id': '4501', 'title': 'Black Death', 'start_paragraph_id': 3, 'start_character': 338, 'end_paragraph_id': 3, 'end_character': 350, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]