The Steelers traveled to Orchard Park, NY to take on the Bills. They struck first in the first quarter when Le'Veon Bell ran for a 3-yard touchdown to make the score 7-0 for the only score of the period. They increased their lead in the second quarter when Bell ran for a 7-yard touchdown to make the score 14-0. The Bills got on the board when Tyrod Taylor found Sammy Watkins on an 8-yard touchdown pass to make it 14-7 at halftime. In the third quarter, the Steelers moved ahead by double digits again when Bell ran for his third touchdown of the game from 5 yards out to make the score 21-7. In the fourth quarter, they increased their lead when Chris Boswell nailed a 37-yard field goal to make the score 24-7. The Bills drew closer when Taylor found Charles Clay on a 40-yard touchdown pass (with a failed PAT) to make the score 24-13. Though the Steelers moved ahead by two touchdowns again when Boswell kicked another field goal from 39 yards out to make it 27-13. The Bills wrapped up the scoring of the game when LeSean McCoy ran for a 3-yard touchdown and the final score of 27-20.
Question: How many yards was the longest touchdown pass?
Answer: 40