Read this article and answer this question The 2007 New Orleans Saints began their regular season in the annual Thursday night Kickoff game against the defending Super Bowl champion Indianapolis Colts.  In the first quarter, New Orleans trailed early as Super Bowl XLI MVP Peyton Manning completed a 27-yard TD pass to WR Marvin Harrison for the score of the period.  In the second quarter, the Saints managed to get their only touchdown of the game as DB Jason David (a former Colt) returned a fumble 55 yards to the endzone.  Afterwards, New Orleans took the lead with kicker Olindo Mare getting a 34-yard field goal.  Indianapolis would tie the game prior to halftime with kicker Adam Vinatieri nailing a 33-yard field goal.  In the second half, the Colts dominated the rest of the game.  During the third quarter, RB Joseph Addai got a 2-yard TD run, while Manning hooked up with WR Reggie Wayne on a 29-yard TD pass.  For the fourth quarter, Indianapolis wrapped up the game with Vinatieri getting a 33-yard field goal, Manning & Wayne hooking up with each other again on a 45-yard TD pass, and DB Matt Giordano returning an interception 83 yards for a touchdown. Q1 - IND - 1:36 - 27-yard TD pass from Peyton Manning to Marvin Harrison (Adam Vinatieri kick) (IND 7-0) Q2 - NO - 11:32 - Jason David 55-yard fumble return TD (Olindo Mare kick) (7-7) Q2 - NO - 6:30 - Olindo Mare 34-yard FG (NO 10-7) Q2 - IND - 0:45 - Adam Vinatieri 33-yard FG (10-10) Q3 - IND - 9:45 - Joseph Addai 2-yard TD run (Vinatieri kick) (IND 17-10) Q3 - IND - 6:11 - 29-yard TD pass from Peyton Manning to Reggie Wayne (Vinatieri kick) (IND 24-10) Q4 - IND - 14:12 - Adam Vinatieri 33-yard FG (IND 27-10) Q4 - IND - 10:05 - 45-yard TD pass from Peyton Manning to Reggie Wayne (Vinatieri kick) (IND 34-10) Q4 - IND - 0:55 - Matt Giordano 83-yard interception return TD (Vinatieri kick) (IND 41-10)
Who scored the first touchdown of the game?
Marvin Harrison