Question: when was the foundation phase introduced in wales
[{'answer': 'September 2008', 'provenance': [{'wikipedia_id': '4710838', 'title': 'Primary education in Wales', 'start_paragraph_id': 11, 'start_character': 5, 'end_paragraph_id': 11, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Foundation phase.\n'}]}, {'provenance': [{'wikipedia_id': '4710838', 'title': 'Primary education in Wales', 'start_paragraph_id': 11, 'start_character': 0, 'end_paragraph_id': 11, 'end_character': 309, 'bleu_score': 0.8983343737277121, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 158305708949683115}, 'section': 'Section::::Foundation phase.\n'}]}]