Question: what does sb mean in the european championships
[{'answer': "Season 's Best", 'provenance': [{'wikipedia_id': '40638109', 'title': 'Athletics abbreviations', 'start_paragraph_id': 32, 'start_character': 17, 'end_paragraph_id': 32, 'end_character': 30, 'bleu_score': 1.0, 'section': 'Section::::Times and marks.:Bests.\n'}]}, {'provenance': [{'wikipedia_id': '40638109', 'title': 'Athletics abbreviations', 'start_paragraph_id': 32, 'start_character': 0, 'end_paragraph_id': 32, 'end_character': 110, 'bleu_score': 0.8970773746801091, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9121069769299686780}, 'section': 'Section::::Times and marks.:Bests.\n'}]}]