Question: what is the name of the suns surface layer
[{'answer': 'the photosphere', 'provenance': [{'wikipedia_id': '26751', 'title': 'Sun', 'start_paragraph_id': 14, 'start_character': 112, 'end_paragraph_id': 14, 'end_character': 127, 'bleu_score': 1.0, 'section': 'Section::::General characteristics.\n'}]}, {'provenance': [{'wikipedia_id': '26751', 'title': 'Sun', 'start_paragraph_id': 47, 'start_character': 0, 'end_paragraph_id': 47, 'end_character': 754, 'bleu_score': 0.607991784236209, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4379517810276423579}, 'section': 'Section::::Structure and fusion.:Photosphere.\n'}]}]