Question: when was the first blu ray player released
[{'answer': 'June 20 , 2006', 'provenance': [{'wikipedia_id': '11015826', 'title': 'Blu-ray', 'start_paragraph_id': 12, 'start_character': 181, 'end_paragraph_id': 12, 'end_character': 195, 'bleu_score': 1.0, 'section': 'Section::::History.:Launch and sales developments.\n'}]}, {'provenance': [{'wikipedia_id': '11015826', 'title': 'Blu-ray', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 921, 'bleu_score': 0.9870543337942441, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5076140805862686195}, 'section': 'Section::::Abstract.'}]}]