After their bye week, the Lions traveled east to play the Philadelphia Eagles. The Lions took an early lead in the first quarter with two field goals by Jason Hanson, from 46 and 34 yards out. The only scoring drive of the second quarter was a 2-yard touchdown pass from Michael Vick to LeSean McCoy to put Philadelphia up by 1 point. In the third quarter the Eagles' Alex Henery kicked 2 field goals, from 26 and 32 yards out. In the fourth quarter, Alex Henery kicked a 49-yard field goal. The Lions responded with a 1-yard touchdown run by Matthew Stafford. The Eagles' Jeremy Maclin then caught a 70-yard touchdown pass from Michael Vick. The Lions responded with their own touchdown pass, a 17-yarder from Matthew Stafford to Nate Burleson. The Lions took it to overtime after Jason Hanson kicked a 19-yard field goal. On the second drive in Overtime, the Lions' Jason Hanson kicked the game-winning field goal from 45 yards out.  With the win, the Lions improved to 2-3, snapping their 3-game losing streak.
Question: How many more field goals were there in the second half compared with the first half?
Answer: 3