After a tough season-opening loss, the Steelers traveled to Cincinnati to take on the Bengals.  The Steelers scored first when Shaun Suisham scored a field goal from 44 yards out to make the score 3-0.  The Bengals took the lead as Giovani Bernard ran for a 7-yard touchdown making the score 7-3.  The Bengals scored again in the 2nd quarter as Mike Nugent nailed a 41-yard field goal to make the score 10-3 followed up by Ben Roethlisberger finding Derek Moye on a 1-yard pass to tie the game at 10-10 halftime.  The Bengals retook the lead in the 3rd quarter as Andy Dalton found Bernard on a 27-yard pass retaking the lead 17-10 and then it was  followed up by Nugent's 25-yard field goal in the 4th quarter for a final score of 20-10. With their 2nd straight loss to the Bengals, the Steelers started a season 0-2 for the first time since 2002.
Answer this question: How many touchdowns were passing touchdowns?
2