Coming off their win over the Bills, the Titans flew to Reliant Stadium for an AFC South rivalry match against the Houston Texans. In the first quarter the Titans trailed early as quarterback Matt Schaub got a 3-yard touchdown pass to RB Steve Slaton. In the second quarter, they replied with quarterback Vince Young completing a 13-yard touchdown pass to WR Kenny Britt. Then Houston tried to pull away as Schaub hooked up with WR Andre Johnson on a 13-yard touchdown pass, until the Titans replied again with RB LenDale White making a 1-yard touchdown run. The Titans got the lead in the third quarter as kicker Rob Bironas made a 50-yard field goal, but the Texans replied to tie the game when kicker Kris Brown made a 26-yard field goal. In the fourth quarter the Titans scored for the win when Bironas got a 53-yard field goal. Brown had a chance to tie the game and sent it into overtime for the second game in a row and for the second game in a row he missed giving the Titans the victory.
Question: How many field goals did Rob Bironas kick in the last half of the game?
Answer: 2