Task: Question Answering
Input (English): Passage: Against the Atlanta Falcons, the Kansas City Chiefs were behind early in the first quarter when Falcons quarterback Matt Ryan threw an 8-yard touchdown pass to wide receiver Julio Jones to lead 7-0. The Chiefs answered with a 39-yard field goal from Ryan Succop to make it 7-3. The Falcons scored on their next drive with a 34-yard field goal from Matt Bryant to extend their lead 10-3. In the second quarter, Matt Cassel threw a 22-yard touchdown pass to tight end Kevin Boss to tie the game at 10-10. Matt Ryan and the Falcons took the lead again with a 14-yard touchdown pass to wide receiver Julio Jones to go up 17-10. Matt Cassel scored on a 5-yard rushing touchdown on the Chiefs next possession to make the score tied again at 17-17. The Falcons just managed to extend their lead before halftime with a 21-yard field goal by Matt Bryant to lead 20-17 coming into the half. In the third quarter, Matt Ryan scored on a 5-yard touchdown run to make it 27-17. Shortly afterward, Matt Ryan tossed a 7-yard touchdown pass to tight end Tony Gonzalez to further extend their lead 34-17. In the fourth quarter, the Atlanta falcons scored twice on field goals of 30 and 41 yards by Matt Bryant to lead 40-17. Late in the fourth quarter, the Chiefs scored on a 4-yard run by running back Shaun Draughn. The final score of this game is 24-40 as the Kansas City Chiefs fall to 0-1. 
Question: How many touchdowns were scored in the first half? 
Answer type: Number 
Output (English): 4.