The Titans began their season on the road against their division rival, the Jacksonville Jaguars. In the first quarter, Tennessee struck first with kicker Rob Bironas getting a 20-yard field goal. Afterwards, the Jaguars took the lead with QB David Garrard completing a 47-yard TD pass to WR John Broussard. In the second quarter, Jacksonville increased its lead with kicker Josh Scobee getting a 22-yard field goal. Afterwards, the Titans would draw closer with Bironas kicking a 31-yard field goal. In the third quarter, Tennessee took the lead for good with QB Vince Young running into the end zone from 2 yards out for the final score of the game.

Based on the above article, answer a question. How many field goals did Bironas kick?
2