Question: what is the worst season record in mlb history
[{'answer': '20 -- 134'}, {'provenance': [{'wikipedia_id': '5282135', 'title': 'List of worst Major League Baseball season records', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 408, 'bleu_score': 0.705737574382987, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16168177857689761378}, 'section': 'Section::::1898 St. Louis Browns and 1899 Cleveland Spiders.\n'}]}]