Question: who has won the most allan border medals
[{'answer': 'Ricky Ponting', 'provenance': [{'wikipedia_id': '2556648', 'title': 'Allan Border Medal', 'start_paragraph_id': 7, 'start_character': 51, 'end_paragraph_id': 7, 'end_character': 64, 'bleu_score': 1.0, 'section': 'Section::::Allan Border Medallists.\n'}]}, {'answer': 'Michael Clarke', 'provenance': [{'wikipedia_id': '2556648', 'title': 'Allan Border Medal', 'start_paragraph_id': 7, 'start_character': 69, 'end_paragraph_id': 7, 'end_character': 83, 'bleu_score': 1.0, 'section': 'Section::::Allan Border Medallists.\n'}]}]