Answer based on context:

In week 4, the Lions had their second consecutive divisional road game when they visited the Chicago Bears. The Bears got on the board first with a four-yard touchdown pass from Brian Hoyer to Eddie Royal. The Lions responded with a 50-yard field goal from Matt Prater, which made the score 7-3 in favor of the Bears at half-time. The Lions opened the scoring in the second half with a 21-yard field goal from Matt Prater. The Bears responded with a six-yard touchdown pass from Hoyer to Zach Miller. The Bears extended their lead in the fourth quarter with a 25-yard field goal from Connor Barth. The Lions responded with an 85-yard punt return by Andre Roberts, and a two-point conversion pass from Matthew Stafford to Golden Tate. Despite the attempted comeback, the Lions came up short, losing 14-17.

How many more field goals did Prater kick compared to Barth?
1