Question: what is the function of the chondrogenic layer of the perichondrium
[{'answer': 'form chondroblasts or chondrocytes', 'provenance': [{'wikipedia_id': '1220134', 'title': 'Perichondrium', 'start_paragraph_id': 1, 'start_character': 407, 'end_paragraph_id': 1, 'end_character': 441, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1220134', 'title': 'Perichondrium', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 533, 'bleu_score': 0.972782728923768, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5326993020457780075}, 'section': 'Section::::Abstract.'}]}]