Question: what is the highest jackpot won on pointless
[{'answer': '£ 24,750', 'provenance': [{'wikipedia_id': '24135765', 'title': 'Pointless', 'start_paragraph_id': 7, 'start_character': 449, 'end_paragraph_id': 7, 'end_character': 459, 'bleu_score': 1.0, 'section': 'Section::::Gameplay.\n'}]}, {'provenance': [{'wikipedia_id': '24135765', 'title': 'Pointless', 'start_paragraph_id': 7, 'start_character': 17, 'end_paragraph_id': 7, 'end_character': 813, 'bleu_score': 0.851622518839752, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11518883240894348479}, 'section': 'Section::::Gameplay.\n'}]}]