input: Background: Carolina suffered a major setback when Thomas Davis, an 11-year veteran who had already overcome three ACL tears in his career, went down with a broken arm in the NFC Championship Game. Despite this, he insisted he would still find a way to play in the Super Bowl. His prediction turned out to be accurate.
  Question: How many years has Thomas Davis played in the NFL?
  Answer:<extra_id_0>.
output: <extra_id_0> 11<extra_id_1>