Question: the hitchiti were a part of which confederacy
[{'answer': 'Creek', 'provenance': [{'wikipedia_id': '3907743', 'title': 'Hitchiti', 'start_paragraph_id': 4, 'start_character': 78, 'end_paragraph_id': 4, 'end_character': 83, 'bleu_score': 1.0, 'section': 'Section::::Language.\n'}]}]