Question: when did the i-35 bridge collapse in minneapolis
[{'answer': 'August 1 , 2007', 'provenance': [{'wikipedia_id': '5282137', 'title': 'I-35W Mississippi River bridge', 'start_paragraph_id': 24, 'start_character': 31, 'end_paragraph_id': 24, 'end_character': 46, 'bleu_score': 1.0, 'section': 'Section::::Collapse.\n'}]}, {'provenance': [{'wikipedia_id': '5282137', 'title': 'I-35W Mississippi River bridge', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 666, 'bleu_score': 0.9236344551140161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 644392248774961073}, 'section': 'Section::::Abstract.'}]}]