Question: when did they find the wreck of the edmund fitzgerald
[{'answer': 'November 14 , 1975', 'provenance': [{'wikipedia_id': '218075', 'title': 'SS Edmund Fitzgerald', 'start_paragraph_id': 33, 'start_character': 167, 'end_paragraph_id': 33, 'end_character': 185, 'bleu_score': 1.0, 'section': 'Section::::Wreck discovery and surveys.:Wreck discovery.\n'}]}, {'provenance': [{'wikipedia_id': '218075', 'title': 'SS Edmund Fitzgerald', 'start_paragraph_id': 33, 'start_character': 0, 'end_paragraph_id': 33, 'end_character': 606, 'bleu_score': 0.7354621901102301, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 583579650388666258}, 'section': 'Section::::Wreck discovery and surveys.:Wreck discovery.\n'}]}]