Answer based on context:

Coming off their win over the Cowboys the Saints played an interconference duel with the Bengals at Paul Brown Stadium. In the first quarter, the Saints took the early lead as kicker Garrett Hartley nailed a 48-yard field goal. The Bengals replied with kicker Clint Stitser hitting a 29-yard field goal, but the Saints scored again with RB Chris Ivory getting a 55-yard TD run, with the Bengals responding as Stitser made a 23-yard field goal. The Saints increased their lead as Hartley made a 24-yard field goal, followed by Ivory getting a 1-yard TD run. The lead was broken down as QB Carson Palmer made a 5-yard TD pass to WR Terrell Owens (With a failed PAT as the kick went wide right), followed by RB Cedric Benson getting a 1-yard TD run. The Saints responded as QB Drew Brees completed a 52-yard TD pass to WR Robert Meachem, but fell behind with Benson getting a 4-yard TD run (With a successful 2-point conversion as Palmer passed to TE Jermaine Gresham), followed by Stitser making a 47-yard field goal. Still, they managed to score to take the win as Brees threw a 3-yard TD pass to WR Marques Colston.

Who kicked the longest field goal?
Garrett Hartley