Question: who is the city of jacksonville fl named after
[{'answer': 'Andrew Jackson', 'provenance': [{'wikipedia_id': '60613', 'title': 'Jacksonville, Florida', 'start_paragraph_id': 2, 'start_character': 741, 'end_paragraph_id': 2, 'end_character': 755, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]