Question: Robert Brewer is a former American football player, He played quarterback for the University of Texas Longhorns during the 1981 and 1982 season, The University of Texas at Austin (UT, UT Austin, or Texas) is a public research university, and the flagship institution of which organization?
Sentence (from "University of Texas at Austin"): The University of Texas at Austin (UT, UT Austin, or Texas) is a public research university and the flagship institution of the University of Texas System.
Relevant evidence: Yes