Question: how much did dow drop on black monday
[{'answer': '508 points', 'provenance': [{'wikipedia_id': '314544', 'title': 'Black Monday (1987)', 'start_paragraph_id': 1, 'start_character': 314, 'end_paragraph_id': 1, 'end_character': 324, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '314544', 'title': 'Black Monday (1987)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 466, 'bleu_score': 0.8302518092932111, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3845522231973990334}, 'section': 'Section::::Abstract.'}]}]