Table:
text: List of Big 12 Conference champions
Football
Football titles by school
Team Season Regular_Season_division Postseason Total
Oklahoma 1996–present 9 7 16
Nebraska 1996–2010 9 2 11
Texas 1996–present 7 3 10
Kansas State 1996–present 5 1 6
Colorado 1996–2010 4 1 5
Texas A&M 1996–2011 3 1 4
Missouri 1996–2011 3 0 3
Oklahoma State 1996–present 2 0 2
Iowa State 1996–present 1 0 1
Kansas 1996–present 1 0 1
Texas Tech 1996–present 1 0 1
Baylor 1996–present 0 0 0
TCU 2012–present 0 X 0
West Virgina 2012–present 0 X 0

Question: Among football titles in the Big 12 Conference Champions list by school, how many postseason titles has Nebraska received?