Coming off their dominating divisional home win over the Bears, the Packers flew to the Louisiana Superdome for a Week 12 MNF duel with the New Orleans Saints.  In the first quarter, Green Bay struck first when FB John Kuhn scored on a 1-yard TD run.  The Saints responded with QB Drew Brees completing a 70-yard TD pass to WR Lance Moore. The Saints then took the lead when RB Pierre Thomas scored on a 4-yard TD run.  In the second quarter, the Packers responded with QB Aaron Rodgers completing a 7-yard TD pass to WR Greg Jennings to tie the score.  New Orleans respond yet again when Brees hooked up with Moore for the second time on a 14-yard TD pass.  The Pack struck back and tied when Rodgers scored on a 10-yard TD run.  The Saints would retake the lead prior to halftime when kicker Garrett Hartley made a 30-yard field goal. In the third quarter, New Orleans took over the game. Brees started the scoring with a completed a 16-yard TD pass to TE Billy Miller. Later, RB Deuce McAllister scored on a 3-yard TD run, and Brees finished the quarter's scoring by completing a 70-yard TD pass to WR Marques Colston.  In the fourth quarter, Green Bay tried to rally as Rodgers completed a 4-yard TD pass and a 2-point conversion pass to WR Ruvell Martin.  However, the Saints pulled away when Thomas scored on a 31-yard TD run (with a failed 2-point conversion).
Question: How many field goals did Hartley kick?
Answer: 1