Question: when did the teton dam break in idaho
[{'answer': 'June 5 , 1976', 'provenance': [{'wikipedia_id': '390144', 'title': 'Teton Dam', 'start_paragraph_id': 15, 'start_character': 13, 'end_paragraph_id': 15, 'end_character': 26, 'bleu_score': 1.0, 'section': 'Section::::Collapse and flood.\n'}]}, {'provenance': [{'wikipedia_id': '390144', 'title': 'Teton Dam', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 348, 'bleu_score': 0.9679895851501501, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 550667129052840464}, 'section': 'Section::::Abstract.'}]}]