The Browns returned home for a home game against the Bills. Again, the Browns fell behind and for the second straight week never held the lead as Bills QB Ryan Fitzpatrick found T. J. Graham on a 9-yard touchdown pass for a 7-0 lead followed up by Fitzpatrick finding C. J. Spiller on a 32-yard touchdown pass for a 14-0 lead. The Browns got on the board in the 2nd quarter when Trent Richardson ran for a 6-yard touchdown to make the score 14-7 at halftime. However, the Bills went back to work in the 3rd quarter as Rian Lindell nailed a 37-yard field goal to take a 10-point lead of 17-7. The Browns tried to rally coming within 3 points of the Bills when Brandon Weeden found Travis Benjamin on a 22-yard pass at 17-14. However, the Bills pulled away and wrapped this game up as Fitzpatrick found Steve Johnson on a 9-yard touchdown pass for a final score of 24-14. With the loss, the Browns fell to 0-3 with their loss by a certain number of points worsened to 10.

Based on the above article, answer a question. How many of the touchdowns were passing touchdowns?
4