Question: who won the afl grand final in 1997
[{'answer': 'Adelaide', 'provenance': [{'wikipedia_id': '8751134', 'title': '1997 AFL Grand Final', 'start_paragraph_id': 1, 'start_character': 85, 'end_paragraph_id': 1, 'end_character': 93, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '8751134', 'title': '1997 AFL Grand Final', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 515, 'bleu_score': 0.9766041382465441, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17890461797158352015}, 'section': 'Section::::Abstract.'}]}]