Question: when did the seahawks become a football team
[{'answer': '1976', 'provenance': [{'wikipedia_id': '28390', 'title': 'Seattle Seahawks', 'start_paragraph_id': 1, 'start_character': 263, 'end_paragraph_id': 1, 'end_character': 267, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '28390', 'title': 'Seattle Seahawks', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 543, 'bleu_score': 0.7278229226252521, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13571760297505173369}, 'section': 'Section::::Abstract.'}]}]