Write an article that answers the following question: How many touchdown passes did McNabb throw during the first half?
The Eagles opened the regular season on the road against the Houston Texans on September 10.  The Eagles trailed early, as Texans QB David Carr completed a 25-yard TD pass to WR Eric Moulds.  The Eagles would respond in the second quarter as QB Donovan McNabb completed a 42-yard TD pass to WR Donte' Stallworth.  Even though Texans kicker Kris Brown would make a 34-yard field goal, the Eagles would take the lead for good as McNabb completed a 5-yard pass to WR Reggie Brown.  In the second half, Philadelphia would wrap up the win with a 31-yard TD pass to RB Brian Westbrook in the third quarter and Kicker David Akers making a 42-yard field goal in the fourth quarter.