Question: who's the mayor of south bend indiana
[{'answer': 'Peter Paul Montgomery Buttigieg', 'provenance': [{'wikipedia_id': '33687378', 'title': 'Pete Buttigieg', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 31, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]