Following their victory against the Panthers, the Bengals played another home game, this week, against the visiting Falcons.  In the first quarter, the Falcons drew first blood, as kicker Morten Andersen nailed a 42-yard field goal. The Bengals responded with a 1-yard TD run by running back Rudi Johnson. Atlanta cut the lead to one point, when Andersen kicked a 40-yard field goal.  In the second quarter, Cincinnati added to their lead with quarterback Carson Palmer's 12-yard TD pass to wide receiver Chad Johnson.  The Falcons responded with quarterback Michael Vick's 16-yard touchdown pass to tight end Alge Crumpler. Bengal kicker Shayne Graham converted a 51-yard field goal with&#160;:20 left before halftime. In the third quarter, Vick completed a 26-yard touchdown pass to wide receiver Michael Jenkins. Graham would kick a 26-yard field goal for Cincinnati's only score of the quarter. Vick scored another touchdown, on an 8-yard pass to  fullback Justin Griffith. The extra point ended with a bobbled snap, and a failed two-point conversion.  In the fourth quarter, Andersen converted a 39-yard field goal. Palmer responded with a 55-yard touchdown to WR Chris Henry.  Cincinnati's comeback hopes ended with&#160;:13 left, when Carson Palmer was sacked, and fumbled, which was recovered by Atlanta. The Bengals record fell to 4-3. It was this week that the former "Chad Johnson" revealed his name change to "Chad Ocho Cinco" on his warmups, which was rumored to lead to his being fined $5,000.
Question: How many yards was the longest touchdown pass?
Answer: 55