Question: when was a ceasefire agreement signed in darfur
[{'answer': '8 April 2004', 'provenance': [{'wikipedia_id': '1120550', 'title': '2004 Darfur Humanitarian Ceasefire Agreement', 'start_paragraph_id': 1, 'start_character': 303, 'end_paragraph_id': 1, 'end_character': 315, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1120550', 'title': '2004 Darfur Humanitarian Ceasefire Agreement', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 415, 'bleu_score': 0.9699161750394991, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1894733380935326916}, 'section': 'Section::::Abstract.'}]}]