Coming off their win against the Eagles, the Chargers flew to INVESCO Field at Mile High for an AFC West rivalry rematch against the Denver Broncos. In the first half, the Chargers got off to a great start when QB Philip Rivers got a 2-yard touchdown pass to WR Legedu Naanee. Then kicker Nate Kaeding hit a 28 and a 47-yard field goal. In the third quarter the Broncos scored their only points of the game when kicker Matt Prater got a 23-yard field goal, yet the Chargers replied and started to rally with RB LaDainian Tomlinson getting a 1-yard touchdown run, and in the fourth quarter Kaeding making a 28 then a 19-yard field goal, and finally FB Mike Tolbert ran 8 yards to the end zone for a touchdown (With PAT kick blocked).

Answer this question based on the article: How many field goals did Nate Kaeding kick in the fourth quarter?
2