Question: who is command sergeant major of the army
[{'answer': 'Daniel A. Dailey', 'provenance': [{'wikipedia_id': '563150', 'title': 'Sergeant Major of the Army', 'start_paragraph_id': 2, 'start_character': 200, 'end_paragraph_id': 2, 'end_character': 216, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '563150', 'title': 'Sergeant Major of the Army', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12000097566436460329}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '563150', 'title': 'Sergeant Major of the Army', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 236, 'bleu_score': 0.9517713210466091, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12000097566436460329}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '563150', 'title': 'Sergeant Major of the Army', 'section': 'Section::::Abstract.', 'start_paragraph_id': 2, 'end_paragraph_id': 2, 'meta': {'evidence_span': ['Kenneth O. Preston held the rank from 15 January 2004 through 28 February 2011, the only incumbent to serve longer than four years. SMA Raymond F. Chandler III was succeeded by Command Sergeant Major Daniel A. Dailey, on 30 January 2015.', 'Kenneth O. Preston held the rank from 15 January 2004 through 28 February 2011, the only incumbent to serve longer than four years. SMA Raymond F. Chandler III was succeeded by Command Sergeant Major Daniel A. Dailey, on 30 January 2015.', 'Kenneth O. Preston held the rank from 15 January 2004 through 28 February 2011, the only incumbent to serve longer than four years. SMA Raymond F. Chandler III was succeeded by Command Sergeant Major Daniel A. Dailey, on 30 January 2015.']}}]}, {'provenance': [{'wikipedia_id': '45266881', 'title': 'Daniel A. Dailey', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['Daniel A. Dailey (born January 11, 1969) is the current Sergeant Major of the Army of the United States Army. He was sworn in as the 15th Sergeant Major of the Army on January 30, 2015. He is the youngest soldier to serve in this position, being appointed at 46 years old. Prior to his tenure as the Sergeant Major of the Army, he served as the Command Sergeant Major for the United States Army Training and Doctrine Command. A native of Palmerton, Pennsylvania, Dailey entered the United', 'Daniel A. Dailey (born January 11, 1969) is the current Sergeant Major of the Army of the United States Army. He was sworn in as the 15th Sergeant Major of the Army on January 30, 2015.', 'Daniel A. Dailey (born January 11, 1969) is the current Sergeant Major of the Army of the United States Army. He was sworn in as the 15th Sergeant Major of the Army on January 30, 2015.']}}]}]