Question: Who is the president of the university that basketball player John McCullough was the All-American player for?

Context paragraphs:
Augustine Rubit: Augustine Cuero Rubit (born August 14, 1989) is an American professional basketball player for Brose Bamberg of the Basketball Bundesliga and the EuroLeague.  He is a 6'7" power forward.  He played college basketball at the University of South Alabama.  Rubit was an All-American player at South Alabama, and was one of the nation's best rebounders.

University of Oklahoma: The University of Oklahoma (OU) is a coeducational public research university in Norman, Oklahoma.  Founded in 1890, it had existed in Oklahoma Territory near Indian Territory for 17 years before the two became the state of Oklahoma.  In Fall 2016 the university had 31,250 students enrolled, most at its main campus in Norman.  Employing nearly 3,000 faculty members, the school offers 152 baccalaureate programs, 160 master's programs, 75 doctorate programs, and 20 majors at the first professional level.  David Lyle Boren, a former U.S. Senator and Oklahoma Governor, has served as the university's president since 1994.

John McCullough (basketball): John P. McCullough (born October 5, 1956) is a retired National Basketball Association (NBA) basketball player.  McCullough was a Big Eight Player of the Year and NCAA All-American for the University of Oklahoma.  McCullough was drafted in the fourth round of the 1979 NBA draft by the Kansas City Kings.  His only season in the NBA was for the Phoenix Suns in 1981–82.  McCullough was the head coach of the women's program at Oklahoma Baptist University.

Joe Jakubick: Joe Jakubick is a retired American basketball player and current high school basketball coach.  Jakubick was an All-American player at the University of Akron and led the nation in scoring in the 1983–84 NCAA Division I men's basketball season.

Wilson Washington: Wilson Washington Jr. (born August 3, 1955) is a retired American basketball player and a former assistant coach at Norfolk State University.  Washington was an All-American player at Old Dominion University and played for two seasons in the National Basketball Association.

Pick Dehner: Louis "Pick" Dehner, sometimes stylized as "Lewis," (August 29, 1914 – April 7, 1987) was an American basketball player and high school coach.  He was an All-American player at the University of Illinois, played professionally in the United States National Basketball League, and won over 500 games as the coach for East St. Louis High School in Illinois.

The Seven Doors of Danny: The Seven Doors of Danny is a song cycle composed by Sussex-born composer Ricky Horscraft (born 1973) in collaboration with Brighton-based poet John McCullough (born 1978).  Its storyline is based on Shakespeare's Seven Ages of Man (from As You Like It) and is composed for male soloists with male chorus and chamber orchestra.  It was premiered on 2 April 2016 in Hove by members respectively of Actually Gay Men's Chorus and University of Sussex Symphony Orchestra.

Paul Miller (basketball): Paul Miller (born November 17, 1982) is an American basketball player, currently a free agent.  He last played with Śląsk Wrocław in the Polish Basketball League.  A 6'10" center/forward from Jefferson City, Missouri, Miller was an honorable mention All-American player at Wichita State University.

Greg Jones (basketball): Greg Jones (born March 3, 1961) is a retired American basketball player.  He was an All-American player at West Virginia University and later Rookie of the Year in the Continental Basketball Association (CBA).

Mike Moser: Michael Alexander Moser (pronounced MOH-zer; born November 8, 1990) is an American professional basketball player who last played for Sigal Prishtina of the Kosovo Basketball Superleague.  He played college basketball for the University of Oregon as a senior.  Moser was an All-American player at the University of Nevada, Las Vegas (UNLV) before transferring to Oregon in 2013.

Supporting paragraphs: John McCullough (basketball) University of Oklahoma
Answer: David Lyle Boren