Question: How many member institutions are there in the collegiate athletic conference, of  which the  2002 Arkansas State Indians football team are members?

Context paragraphs:
Atlantic Coast Conference: The Atlantic Coast Conference (ACC) is a collegiate athletic conference in the United States of America in which its fifteen member universities compete in the National Collegiate Athletic Association (NCAA)'s Division I, with its football teams competing in the Football Bowl Subdivision (FBS), the highest levels for athletic competition in US-based collegiate sports.  The ACC sponsors competition in twenty-five sports with many of its member institutions' athletic programs held in high regard nationally.  Members of the conference are Boston College, Clemson University, Duke University, Georgia Tech, Florida State University, North Carolina State University, Syracuse University, the University of Louisville, the University of Miami, the University of North Carolina, the University of Notre Dame, the University of Pittsburgh, the University of Virginia, Virginia Tech, and Wake Forest University.

2004 Arkansas State Indians football team: The 2004 Arkansas State Indians football team (now called the Arkansas State Red Wolves) represented Arkansas State University in the 2004 NCAA Division I FBS college football season as members of the Sun Belt Conference.  Under head coach Steve Roberts, the team compiled a record of 3 wins and 8 losses.

2003 Arkansas State Indians football team: The 2003 Arkansas State Indians football team (now called the Arkansas State Red Wolves) represented Arkansas State University in the 2003 NCAA Division I FBS college football season as members of the Sun Belt Conference.  Under head coach Steve Roberts, the team compiled a record of 5 wins and 7 losses.

Sun Belt Conference: The Sun Belt Conference is a collegiate athletic conference that has been affiliated with the NCAA's Division I since 1976.  Originally a non-football conference, the Sun Belt began sponsoring football in 2001.  Its football teams participate in the Division I Football Bowl Subdivision (FBS).  The 12 member institutions of the Sun Belt are distributed primarily across the southern United States.

2006 Arkansas State Indians football team: The 2006 Arkansas State Indians football team represented Arkansas State University in the 2006 NCAA Division I FBS college football season.

2005 Arkansas State Indians football team: The 2005 Arkansas State Indians football team represented Arkansas State University in the 2005 NCAA Division I FBS college football season.

2007 Arkansas State Indians football team: The 2007 Arkansas State Indians football team represented Arkansas State University in the 2007 NCAA Division I FBS college football season.  The Indians offense scored 291 points while the defense allowed 331 points.

2001 Arkansas State Indians football team: The 2001 Arkansas State Indians football team (now called the Arkansas State Red Wolves) represented Arkansas State University in the 2001 NCAA Division I FBS college football season as members of the Sun Belt Conference.  Under head coach Joe Hollis, the team compiled a record of 2 wins and 9 losses.

Arkansas State Red Wolves baseball: The Arkansas State Red Wolves baseball team (formerly the Arkansas State Indians) is a varsity intercollegiate athletic team of Arkansas State University in Jonesboro, Arkansas, United States.  The team is a member of the Sun Belt Conference, which is part of the National Collegiate Athletic Association's Division I.  Arkansas State's first baseball team was fielded in 1925.  The team plays its home games at Tomlinson Stadium–Kell Field in Jonesboro, Arkansas.  The Red Wolves are coached by Tommy Raffo.

2002 Arkansas State Indians football team: The 2002 Arkansas State Indians football team (now called the Arkansas State Red Wolves) represented Arkansas State University in the 2002 NCAA Division I FBS college football season as members of the Sun Belt Conference.  Under head coach Steve Roberts, the team compiled a record of 6 wins and 7 losses.

Supporting paragraphs: 2002 Arkansas State Indians football team Sun Belt Conference
Answer: 12