Question: what's the time limit for the nathan's hotdog eating contest
[{'answer': 'since 2008 , 10 minutes', 'provenance': [{'wikipedia_id': '766904', 'title': "Nathan's Hot Dog Eating Contest", 'start_paragraph_id': 10, 'start_character': 585, 'end_paragraph_id': 10, 'end_character': 608, 'bleu_score': 1.0, 'section': 'Section::::Rules.\n'}]}, {'provenance': [{'wikipedia_id': '766904', 'title': "Nathan's Hot Dog Eating Contest", 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 607, 'bleu_score': 0.9815648442794911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12011953409403878460}, 'section': 'Section::::Rules.\n'}]}]