Coming off their divisional win over the Patriots, the Jets flew to Sun Life Stadium for a Week 3 AFC East duel with the Miami Dolphins on Sunday night. New York delivered the game's opening strike in the first quarter as quarterback Mark Sanchez completed a 24-yard touchdown pass to tight end Dustin Keller. The Jets added onto their lead in the second quarter as Sanchez hooked up with Keller again on a 12-yard touchdown pass. The Dolphins answered as quarterback Chad Henne connected with tight end Anthony Fasano on a 3-yard touchdown pass, followed by kicker Dan Carpenter making a 44-yard field goal. Miami took the lead in the third quarter as Henne found wide receiver Brandon Marshall on an 11-yard touchdown pass, yet New York immediately struck back as Sanchez completed a 67-yard touchdown pass to wide receiver Braylon Edwards. The Dolphins cut into the lead as Carpenter made a 20-yard field goal. In the fourth quarter, the Jets responded with kicker Nick Folk making a 30-yard field goal. Miami struck back with Carpenter's 50-yard field goal, yet New York stayed persistent as running back LaDainian Tomlinson got a 1-yard touchdown run. Miami tried to get a comeback drive going, but the defense came through to hold onto the victory.
Question: how many yards did keller gain?
Answer: 12