Question: Who sponsored the 2011 Big 12 Men's Basketball Tournament and is headquartered in Westchase, Houston, Texas?
Sentence (from "2015–16 Big 12 Conference men's basketball season"): Kansas won their 12th straight Big 12 regular season championship by finishing 33–5 overall and 15–3 in conference play, two games ahead of second-place West Virginia.
Relevant evidence: No