Question: where did the battle of wilson's creek take place
[{'answer': 'Springfield , Missouri', 'provenance': [{'wikipedia_id': '635536', 'title': "Battle of Wilson's Creek", 'start_paragraph_id': 1, 'start_character': 155, 'end_paragraph_id': 1, 'end_character': 177, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]