Hoping to snap a two-game skid, the Packers stayed at home for a Week 14 interconference duel with the Houston Texans.  Green Bay trailed early in the first quarter as Texans QB Matt Schaub completed a 58-yard touchdown pass to wide receiver Kevin Walter.  The Packers would respond in the second quarter as QB Aaron Rodgers completed a 20-yard TD pass to TE Donald Lee, yet Houston answered by having kicker Kris Brown close out the half with a 30-yard field goal. Green Bay's deficit increased in the third quarter as Brown gave the Texans a 41-yard field goal.  In the fourth quarter, the Packers took the lead as RB Ryan Grant got a 6-yard touchdown run.  However, the Texans replied with Schaub completing an 11-yard touchdown pass and a 2-point conversion pass to wide receiver Andre Johnson.  Green Bay would tie the game as Rodgers completed a 9-yard touchdown pass to wide receiver Jordy Nelson, yet Houston pulled away as Brown nailed a 40-yard field goal as time ran out. With the loss, the Packers fell to 5-8 on the season and 0-4 at home against teams from Houston.

Answer this question based on the article: How many touchdowns were scored in the first half?
2