Question: who was the song baby blue written about
[{'answer': 'Dixie Armstrong', 'provenance': [{'wikipedia_id': '17183951', 'title': 'Baby Blue (Badfinger song)', 'start_paragraph_id': 3, 'start_character': 39, 'end_paragraph_id': 3, 'end_character': 54, 'bleu_score': 1.0, 'section': 'Section::::Writing.\n'}]}, {'provenance': [{'wikipedia_id': '17183951', 'title': 'Baby Blue (Badfinger song)', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 105, 'bleu_score': 0.9021315316859231, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3181700419105291188}, 'section': 'Section::::Writing.\n'}]}]