Coming off their shutout road win over the Raiders, the Falcons went home for a Week 10 NFC South duel with the New Orleans Saints.  In the first quarter, Atlanta took flight as rookie quarterback Matt Ryan completed a 16-yard TD pass to WR Roddy White.  The Saints would respond with kicker Garrett Hartley getting a 24-yard field goal. In the second quarter, the Falcons increased their lead as RB Michael Turner got a 2-yard TD run.  New Orleans would answer with Hartley making a 44-yard field goal.  Atlanta would close out the half as kicker Jason Elam got a 22-yard field goal. In the third quarter, the Falcons got the period's only points as Elam nailed a 27-yard field goal.  In the fourth quarter, Atlanta continued to soar as Ryan completed a 67-yard TD pass to RB Jerious Norwood.  The Saints tried to rally as quarterback Drew Brees completed a 15-yard TD pass to RB Deuce McAllister, yet the Falcons flew away as rookie CB Chevis Jackson returned an interception 95 yards for a touchdown.  New Orleans would close out the game with Brees completing a 32-yard TD pass to WR Lance Moore.
Question: How many TD passed did Ryan complete in the first half?
Answer: 1