Question: who did melbourne beat in the 1964 grand final
[{'answer': 'Collingwood Football Club', 'provenance': [{'wikipedia_id': '14779884', 'title': '1964 VFL Grand Final', 'start_paragraph_id': 1, 'start_character': 85, 'end_paragraph_id': 1, 'end_character': 110, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '14779884', 'title': '1964 VFL Grand Final', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 499, 'bleu_score': 0.976043556018343, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 865369945727592530}, 'section': 'Section::::Abstract.'}]}]