Question: Who sponsored the 2011 Big 12 Men's Basketball Tournament and is headquartered in Westchase, Houston, Texas?
Sentence (from "2011 Big 12 Men's Basketball Tournament"): The 2011 Phillips 66 Big 12 Men's Basketball Championship was the 2011 edition of the Big 12 Conference's championship tournament held at the Sprint Center in Kansas City, Missouri from March 9 until March 12, 2011.
Relevant evidence: Yes