Question: what state was the battle of fredericksburg fought in
[{'answer': 'Virginia', 'provenance': [{'wikipedia_id': '48833', 'title': 'Battle of Fredericksburg', 'start_paragraph_id': 1, 'start_character': 92, 'end_paragraph_id': 1, 'end_character': 100, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]