In week 10, the Lions traveled to Minneapolis, Minnesota for a rematch with NFC North foes the Minnesota Vikings. The Vikings scored the only points of the first quarter with a 22-yard Ryan Longwell field goal. They added to their lead in the second quarter with a 22-yard TD run by Adrian Peterson. The Lions' only score of the first half was a 38-yard Jason Hanson field goal just before halftime. In the 3rd quarter the Vikings further added to their lead with a 1-yard run by Adrian Peterson, his 2nd TD of the game. The Lions responded with an 8-yard TD from Matthew Stafford to Will Heller. The Vikings sealed their win with a TD and field goal in the 4th. First an 8-yard TD catch by Jeff Dugan from Brett Favre, and finally a 35-yard field goal.
Question: How many of the touchdowns were passing touchdowns?
Answer: 2