Question: During his career Dana Carl Holgorsen served under the was head coach of the Texas Tech Red Raiders football team leading them to what in every year of his tenure?

Related documents: [0]  [DOC] Dana Carl Holgorsen (born June 21, 1971) is an American football coach and former player. He is the current head football coach at West Virginia University, having succeeded Bill Stewart on June 10, 2011. At the end of the 2010 season West Virginia athletic director Oliver Luck announced that Holgorsen was hired as the offensive coordinator for the 2011 season and would become the Mountaineers 33rd head football coach in 2012. During his coaching career he has served under innovative coaches such as Hal Mumme, Mike Leach, Kevin Sumlin, and Mike Gundy at Oklahoma State. [END] 
[1]  [DOC] Michael Charles Leach (born March 9, 1961) is an American college football coach. He is the head coach of the Washington State Cougars football team. Previously, he was head coach of the Texas Tech Red Raiders football team, leading the Red Raiders to winning seasons in every year of his tenure. [END]  
Answer: winning seasons
winning seasons