Question: who led the american revolutionaries to victory at kettle creek
[{'answer': 'Andrew Pickens', 'provenance': [{'wikipedia_id': '2678855', 'title': 'Battle of Kettle Creek', 'start_paragraph_id': 11, 'start_character': 276, 'end_paragraph_id': 11, 'end_character': 290, 'bleu_score': 1.0, 'section': 'Section::::Background.:American response.\n'}]}]