Question: Who served as the Texas Longhorns football team's defensive coordinator in 2016, and was previously served as the defensive coordinator at the University of Texas Austin?
Sentence (from "2016 Texas Longhorns football team"): The 2016 Texas Longhorns football team, known variously as "Texas", "UT", the "Longhorns", or the "Horns", was a collegiate American football team representing the University of Texas at Austin as a member of the Big 12 Conference in the 2016 NCAA Division I FBS football season; the 2016 team was the 124th to represent the university in college football.
Relevant evidence: No