Question: when did boston's first album come out
[{'answer': 'August 25 , 1976', 'provenance': [{'wikipedia_id': '201767', 'title': 'Boston (album)', 'start_paragraph_id': 17, 'start_character': 41, 'end_paragraph_id': 17, 'end_character': 57, 'bleu_score': 1.0, 'section': 'Section::::Release.\n'}]}, {'provenance': [{'wikipedia_id': '201767', 'title': 'Boston (album)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 628, 'bleu_score': 0.9634664384893691, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 697352296291848033}, 'section': 'Section::::Abstract.'}]}]