Question: Who was the coach of the North Carolina Tar Heels opponent in the 2015 Russell Athletic Bowl?
Sentence (from "1972 North Carolina Tar Heels football team"): The team won its second consecutive Atlantic Coast Conference (ACC) championship, going 6–0 in conference play, and played in the 1972 Sun Bowl, defeating Texas Tech by a score of 32–28.
Relevant evidence: No