Task: Question Answering
Input (English): Passage: Hoping to rebound from their divisional loss to the Jaguars, the Texans stayed at home for a Week 4 duel with the Oakland Raiders.  Houston delivered the opening shot of the first quarter with kicker Kris Brown's 26-yard field goal, followed by the Raiders tying the game with a 46-yard field goal from kicker Sebastian Janikowski.  The Texans would take full command in the second quarter as Brown nailed a 34-yard field goal, followed by running back Steve Slaton getting a 32-yard touchdown run and catching an 18-yard touchdown pass from quarterback Matt Schaub.  Oakland would close out the half with Janikowski's 33-yard field goal.  In the third quarter, Houston would continue its domination with rookie linebacker Brian Cushing tackling Raiders running back Justin Fargas in his own endzone for a safety, immediately followed by wide receiver Jacoby Jones returning a kickoff 95 yards for a touchdown. 
Question: How many field goals were kicked in the first quarter? 
Answer type: Number 
Output (English): 2.