Question: Write an article that answers the following question: Which team took a fourth quarter lead?
Article: Coming off their win over the Buccaneers, the Ravens stayed at home for a Week 13 AFC North rematch with the Pittsburgh Steelers on Sunday night.  Baltimore delivered the game's opening strike in the first quarter as quarterback Joe Flacco found wide receiver Anquan Boldin on a 14-yard touchdown pass.  After a scoreless second quarter, the Steelers responded with kicker Shaun Suisham got a 45-yard field goal.  The Ravens would answer with a 24-yard field goal from kicker Billy Cundiff.  Pittsburgh would get another field goal in the fourth quarter, a 19-yarder by Suisham. In the final minutes of the game, the Ravens were driving, trying to run down the clock, when Troy Polamalu sacked Flacco, forcing a fumble in the process. The Steelers recovered the fumble and returned it to the Ravens' 9-yard line. Two plays later, quarterback Ben Roethlisberger completed a 9-yard touchdown pass to running back Isaac Redman. Baltimore tried to rally, but the Steelers' defense held on to preserve the win.

Question: Write an article that answers the following question: How many touchdowns happened in the first half?
Article: Coming off their win against the Steelers, the Chiefs went on the road for an AFC West rivalry match against the San Diego Chargers. In the first quarter the Chiefs trailed early as QB Philip Rivers got a 19-yard touchdown pass to TE Antonio Gates. The Chiefs would reply to tie the game with QB Matt Cassel making a 7-yard touchdown pass to WR Chris Chambers, until they fell back again with RB LaDainian Tomlinson getting a 1-yard touchdown run, then Rivers hooking up with Gates again on a 15-yard touchdown pass, then DB Paul Oliver returned a fumble 40 yards for a touchdown. In the third quarter the Chiefs' struggle continued as RB LaDainian Tomlinson got a 3-yard touchdown run. They tried to come back with RB Jamaal Charles getting a 2-yard touchdown run, but the Chargers would pull away with kicker Nate Kaeding making a 55-yard field goal. In the fourth quarter the problem got worse when a penalty on Matt Cassel was enforced in the end zone for a safety, giving the Chargers 2 points. The final score was made when Kaeding booted a 23-yard field goal.