Question: In what town with a population less than 600 could one have found the attraction, World's Largest Farm Tractor, in 1998?
Related documents: [0]  [DOC] The Big Bud 747 or 16V-747 Big Bud is a large, custom-made farm tractor built in Havre, Montana in 1977. It is billed by the owners and exhibitors as the "World's Largest Farm Tractor". It is about twice the size of many of the largest production tractors in the world, depending on parameter. [END] 
[1]  [DOC] Big Sandy is a town in Chouteau County, Montana, United States. The population was 598 at the 2010 census. Big Sandy, Montana, is where the Big Bud 747, the largest farm tractor in the world, was located from 1997 until 2009. The Lewis and Clark Trail, following U.S. Route 87, goes through Big Sandy and in 2011 the town was named in a list of "Most Livable Small Towns" by Montana Outdoors magazine. [END] 
Answer: 
Big Sandy, Montana
Big Sandy, Montana