Question: when was the k 12 implemented in the philippines
[{'answer': '2013', 'provenance': [{'wikipedia_id': '7025539', 'title': 'Education in the Philippines', 'start_paragraph_id': 39, 'start_character': 788, 'end_paragraph_id': 39, 'end_character': 792, 'bleu_score': 1.0, 'section': 'Section::::History.:Contemporary period.\n'}]}]