Question: when did the final loss of jerusalem for european forces
[{'answer': 'October 2 , 1187', 'provenance': [{'wikipedia_id': '2253393', 'title': 'Siege of Jerusalem (1187)', 'start_paragraph_id': 1, 'start_character': 93, 'end_paragraph_id': 1, 'end_character': 109, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2253393', 'title': 'Siege of Jerusalem (1187)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 464, 'bleu_score': 0.669400062120245, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5133807765073285682}, 'section': 'Section::::Abstract.'}]}]