Task: Question Answering
Input (English): Passage: Trying to rebound from their divisional home loss to the Buccaneers, the Panthers flew to the Louisiana Superdome for a Week 5 divisional duel with the winless New Orleans Saints. With QB Jake Delhomme out and done for the year with a right elbow injury, QB David Carr was given the start. In the first quarter, Carolina took the early lead with kicker John Kasay getting a 23-yard field goal. The Saints responded with kicker Olindo Mare getting a 25-yard field goal. In the second quarter, the Panthers went back into the lead with Kasay nailing a 35-yard field goal. New Orleans would respond with Mare kicking a 28-yard field goal. In the third quarter, Carolina trailed as Saints FB Mike Karney got a 2-yard TD run for the only score of the period. In the fourth quarter, the Panthers tied the game with Carr completing a 17-yard TD pass to WR Steve Smith. Afterwards, Carolina sealed the win in the final seconds with Kasay nailing a 52-yard field goal as time ran out. 
Question: How many yards difference exists between John Kasay's longest and shortest field goal? 
Answer type: Number 
Output (English): 29.