Coming off a relief home win against their rival Tampa Bay, the Falcons stayed home and got set for a Week 13 duel with the Philadelphia Eagles. Due to Matt Ryan's toe injury against the Bucs, Chris Redman was set to start. The Falcons trailed early as Eagles kicker David Akers made a 33-yard field goal. After that, Eagles quarterback Donovan McNabb connected with Leonard Weaver for a 4-yard touchdown pass. In the second quarter, the Eagles extended their lead with another 33-yard field goal from David Akers. In the third quarter, things got uglier for the Falcons as their former quarterback Michael Vick rushed 5 yards for a touchdown.The Falcons got the ball back, only for Redman to throw an interception to Eagles cornerback Sheldon Brown, which he took 83 yards for a defensive touchdown. In the fourth quarter, Vick threw a 5-yard touchdown pass to Eagles tight end Brent Celek. With time already running out, Redman threw a last second 3-yard touchdown pass to Roddy White, avoiding a shutout.

Based on the above article, answer a question. How many yards was the longest touchdown?
83