Question: who sings little birdie in charlie brown thanksgiving
[{'answer': 'Vince Guaraldi Trio', 'provenance': [{'wikipedia_id': '1293054', 'title': 'A Charlie Brown Thanksgiving', 'start_paragraph_id': 44, 'start_character': 79, 'end_paragraph_id': 44, 'end_character': 98, 'bleu_score': 1.0, 'section': 'Section::::Music.\n'}]}, {'provenance': [{'wikipedia_id': '1293054', 'title': 'A Charlie Brown Thanksgiving', 'start_paragraph_id': 44, 'start_character': 0, 'end_paragraph_id': 44, 'end_character': 98, 'bleu_score': 0.8852140475440831, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1567952843405564422}, 'section': 'Section::::Music.\n'}]}]