Fresh off their divisional road win over the Raiders, the Chiefs flew to Invesco Field at Mile High for a Week 14 AFC West rematch with the Denver Broncos.  In the first quarter, Kansas City got the early lead as rookie kicker Connor Barth got a 26-yard field goal, while rookie CB Maurice Leggett returned an interception 27&#160;yards for a touchdown.  The Broncos would with RB Peyton Hillis getting an 18-yard touchdown run.  The Chiefs answered in the second quarter with QB Tyler Thigpen completing a 13-yard touchdown pass to TE Tony Gonzalez, yet Denver closed out the half with QB Jay Cutler completing a 12-yard touchdown pass to WR Brandon Marshall. In the third quarter, the Broncos tied the game with kicker Matt Prater nailing a 33-yard field goal.  In the fourth quarter, Denver took the lead as Cutler hooked up with Marshall again on a 6-yard touchdown pass.  Kansas City tried to rally, but the Broncos' defense was too much to overcome.
Question: How many touchdowns were scored in the second quarter?
Answer: 2