Question: how many union soldiers died at the battle of gettysburg
[{'answer': '23,055', 'provenance': [{'wikipedia_id': '4849', 'title': 'Battle of Gettysburg', 'start_paragraph_id': 88, 'start_character': 203, 'end_paragraph_id': 88, 'end_character': 209, 'bleu_score': 1.0, 'section': 'Section::::Aftermath.:Casualties.\n'}]}, {'provenance': [{'wikipedia_id': '4849', 'title': 'Battle of Gettysburg', 'start_paragraph_id': 88, 'start_character': 131, 'end_paragraph_id': 88, 'end_character': 716, 'bleu_score': 0.8825055041510941, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15624456615519207163}, 'section': 'Section::::Aftermath.:Casualties.\n'}]}]