Question: when is the nathan's hotdog eating contest at coney island
[{'answer': 'on Independence Day', 'provenance': [{'wikipedia_id': '766904', 'title': "Nathan's Hot Dog Eating Contest", 'start_paragraph_id': 1, 'start_character': 119, 'end_paragraph_id': 1, 'end_character': 138, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '766904', 'title': "Nathan's Hot Dog Eating Contest", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 310, 'bleu_score': 0.962600167205617, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17361653052318129112}, 'section': 'Section::::Abstract.'}]}]