Given the task definition and input, reply with output. Given a question and a context passage, generate the answer having the word or phrase from the context passage. Here, the answer should be a shortest continous span from the passage.

Context: Coming off their home win over the Lions, the 49ers flew to the Louisiana Superdome for a Week 4 duel with the New Orleans Saints. In the first quarter, the Niners struck first as kicker Joe Nedney got a 47-yard field goal. In the second quarter, the Saints took the lead with QB Drew Brees completing a 5-yard and a 33-yard TD pass to WR Lance Moore. San Francisco would answer with Nedney's 49-yard field goal, yet New Orleans replied with Brees' 47-yard TD pass to WR Robert Meachem. In the third quarter, the 49ers tried to rally as Nedney kicked a 38-yard field goal. However, in the fourth quarter, the Saints continued to pull away as RB Deuce McAllister got a 1-yard TD run. The Niners tried to rally as QB J.T. O'Sullivan completed a 5-yard TD pass to WR Isaac Bruce, yet New Orleans sealed the win with kicker Martin Gramatica nailing a 31-yard field goal. 
 Question: Which team had the shortest field goal

saints