Question: when did hershey park open to the public
[{'answer': 'May 30 , 1906', 'provenance': [{'wikipedia_id': '333883', 'title': 'Hersheypark', 'start_paragraph_id': 6, 'start_character': 14, 'end_paragraph_id': 6, 'end_character': 27, 'bleu_score': 1.0, 'section': 'Section::::History.:Name.\n'}]}]