Question: what is the most anyone has won on cash cab
[{'answer': '$6,200', 'provenance': [{'wikipedia_id': '19920744', 'title': 'Cash Cab (American game show)', 'start_paragraph_id': 24, 'start_character': 22, 'end_paragraph_id': 24, 'end_character': 28, 'bleu_score': 1.0, 'section': 'Section::::Record payouts.\n'}]}, {'provenance': [{'wikipedia_id': '19920744', 'title': 'Cash Cab (American game show)', 'start_paragraph_id': 24, 'start_character': 0, 'end_paragraph_id': 24, 'end_character': 454, 'bleu_score': 0.9748377259086851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10683918608973812521}, 'section': 'Section::::Record payouts.\n'}]}]