Task: Explanation
Input (English): Robert Anthony Stoops (born September 9, 1960) is a former American college football coach. He is the former head football coach at the University of Oklahoma, a position he held from 1999 until he announced his retirement June 7, 2017. During the 2000 season, Stoops led the Sooners to an Orange Bowl victory and a national championship. Question: The 2013 Oklahoma Sooners football team was coached by which coach, who retired in 2017? Answer: Robert Anthony Stoops
Output (English):  He is the former head football coach at the University of Oklahoma, a position he held from 1999 until he announced his retirement June 7, 2017.