Task: Question Answering
Input (English): Passage: Coming off their road win over the Bills, the Texans flew to Lucas Oil Stadium for a Week 9 AFC South duel with the Indianapolis Colts.  Houston would trail early in the first quarter as Colts quarterback Peyton Manning found running back Joseph Addai on a 7-yard touchdown pass, followed by a 22-yard field goal from kicker Matt Stover.  Indianapolis would increase their lead in the second quarter with Stover's 37-yard field goal, yet the Texans closed out the half with kicker Kris Brown nailing a 56-yard field goal. In the third quarter, Houston began to gain ground as quarterback Matt Schaub completed a 1-yard touchdown pass to running back Ryan Moats.  The Texans would take the lead in the fourth quarter as running back Steve Slaton got a 1-yard touchdown run, but the Colts retook the lead with running back Joseph Addai getting a 2-yard touchdown run.  Houston had a chance to tie the game with one second left in regulation, but Brown's 42-yard field goal attempt sailed wide left. In what was another close game resulting in a tough loss, the Texans went into their bye week at 5-4. 
Question: How many touchdowns were score in the game? 
Answer type: Number 
Output (English): 4.