Question: In what town with a population less than 600 could one have found the attraction, World's Largest Farm Tractor, in 1998?
Sentence (from "Big Sandy, Montana"): 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.
Relevant evidence: No