Question: Manning Field at John L. Guidry Stadium was named for the family headed by the quarterback who played in the NFL for how many seasons?
Context: The 2007 Nicholls State Colonels football team represented Nicholls State University in the 2007 NCAA Division I FCS football season.  The Colonels were led by fourth-year head coach Jay Thomas.  They played their home games at Manning Field at John L. Guidry Stadium and were a member of the Southland Conference.  They finished the season 6–5, 3–4 in Southland play to finish tied for fourth place. Elisha Archibald Manning III (born May 19, 1949) is a former American football quarterback who played professionally for 16 seasons in the National Football League (NFL).  He played in the NFL for the New Orleans Saints from 1971 to 1982, and for short stints with the Houston Oilers and Minnesota Vikings.  In college, he played for the Ole Miss Rebels football team at the University of Mississippi, and was later inducted into the College Football Hall of Fame.  Manning is the father of Cooper Manning, former quarterback Peyton Manning, and Eli Manning, who is the current starting quarterback for the New York Giants.  His sons Peyton and Eli have each won two Super Bowls. The 2010 Nicholls State Colonels football team represented Nicholls State University in the 2010 NCAA Division I FCS football season.  The Colonels were led by first-year head coach Charlie Stubbs and played their home games at Manning Field at John L. Guidry Stadium.  They are a member of the Southland Conference.  They finished the season 4–7, 3–4 in Southland play to finish in sixth place. The 2013 Nicholls State Colonels football team represented Nicholls State University in the 2013 NCAA Division I FCS football season.  The Colonels were led by fourth-year head coach Charlie Stubbs and played their home games at Manning Field at John L. Guidry Stadium.  They were a member of the Southland Conference.  They finished the season 4–8, 1–6 in Southland play to finish in a tie for seventh place. The 2016 Nicholls State Colonels football team represented Nicholls State University in the 2016 NCAA Division I FCS football season.  The Colonels were led by second-year head coach Tim Rebowe.  They played their home games at Manning Field at John L. Guidry Stadium and were a member of the Southland Conference.  They finished the season 5–6, 5–4 in Southland play to finish in a tie for fourth place. The 2014 Nicholls State Colonels football team represented Nicholls State University in the 2014 NCAA Division I FCS football season.  The Colonels were led by fifth-year head coach Charlie Stubbs for the first three games then by interim head coach Steve Axman.  They played their home games at Manning Field at John L. Guidry Stadium and are a member of the Southland Conference.  The Colonels finished the season 0–12 overall and 0–8 in conference play to finish in last place. Manning Field at John L. Guidry Stadium is a 10,500-seat multi-purpose stadium in Thibodaux, Louisiana.  It is home to the Nicholls State University Colonels football team of the Southland Conference in the Football Championship Subdivision.  The stadium is named in honor of former state representative John L. Guidry who was instrumental in the establishment of Francis T. Nicholls Junior College.  The playing surface is named Manning Field after the Manning family because Peyton Manning, Eli Manning and Archie Manning hold the Manning Passing Academy football camp at the facility.  The current playing surface is Astroturf 3D Grass.  The stadium was officially dedicated on September 16, 1972 as Nicholls State defeated Ouachita Baptist 12-7. The 2011 Nicholls State Colonels football team represented Nicholls State University in the 2011 NCAA Division I FCS football season.  The Colonels were led by second-year head coach Charlie Stubbs and played their home games at Manning Field at John L. Guidry Stadium.  They are a member of the Southland Conference.  They finished the season 1–10, 0–7 in Southland play to finish in last place. The 2012 Nicholls State Colonels football team represented Nicholls State University in the 2012 NCAA Division I FCS football season.  The Colonels were led by third-year head coach Charlie Stubbs and played their home games at Manning Field at John L. Guidry Stadium.  They were a member of the Southland Conference.  They finished the season 1–10, 0–7 in Southland play to finish in last place. This is a list of seasons completed by the Nicholls State Colonels football team of the National Collegiate Athletic Association (NCAA) Division I Football Championship Subdivision (FCS), representing Nicholls State University in the Southland Conference.  Nicholls State plays their home games at Manning Field at John L. Guidry Stadium in Thibodaux, Louisiana.  Nicholls State first fielded a football team in 1972.
Answer: 16