Question: who won the mayor election in st petersburg
[{'answer': 'Rick Kriseman', 'provenance': [{'wikipedia_id': '53215904', 'title': '2017 St. Petersburg, Florida mayoral election', 'start_paragraph_id': 1, 'start_character': 232, 'end_paragraph_id': 1, 'end_character': 245, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]