Question: who has won the most album of the year grammys
[{'answer': 'Frank Sinatra', 'provenance': [{'wikipedia_id': '196513', 'title': 'Grammy Award for Album of the Year', 'start_paragraph_id': 16, 'start_character': 107, 'end_paragraph_id': 16, 'end_character': 120, 'bleu_score': 1.0, 'section': 'Section::::Achievements.\n'}]}, {'answer': 'Stevie Wonder', 'provenance': [{'wikipedia_id': '196513', 'title': 'Grammy Award for Album of the Year', 'start_paragraph_id': 16, 'start_character': 122, 'end_paragraph_id': 16, 'end_character': 135, 'bleu_score': 1.0, 'section': 'Section::::Achievements.\n'}]}, {'provenance': [{'wikipedia_id': '196513', 'title': 'Grammy Award for Album of the Year', 'start_paragraph_id': 24, 'start_character': 0, 'end_paragraph_id': 24, 'end_character': 338, 'bleu_score': 0.9281777209729951, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15323671797387281284}, 'section': 'Section::::Achievements.\n'}]}]