Question: What county in Kentucky has a population over 43,000 and has Kentucky Route 46 run through it?
Context: Kentucky Route 29 (KY 29) is an 11.324 mi state highway located entirely within Jessamine County in the U.S. state of Kentucky.  The highway, maintained by the Kentucky Transportation Cabinet, runs north from High Bridge, Kentucky through Wilmore before ending at Nicholasville.  Within Wilmore, KY 29 intersects Kentucky Route 1268 and junctions with Kentucky Route 3433.  The highway acts as the border between Asbury University and Asbury Theological Seminary.  Just north of Wilmore, KY 29 merges with U.S. Route 68 for 0.590 mi before leaving US 68 and turning east heading towards Nicholasville.  KY 29 terminates at Kentucky Route 39 and U.S. Route 27 Business in downtown Nicholasville. Kentucky Route 39 (KY 39) is a state highway in the U.S. state of Kentucky.  The route, part of the State Secondary System, exists in two segments, separated at the Madison-Jessamine county line by the Kentucky River.  While there is a boat ramp on each side, there is no bridge or ferry carrying vehicular traffic across the waterway.  The southernmost terminus of the route is at Kentucky Route 1247 in Somerset.  The northernmost terminus is at U.S. Route 27 Business and Kentucky Route 29 in Nicholasville. Webster is an unincorporated community in Breckinridge County, Kentucky, United States.  Webster is located at the junction of Kentucky Route 261, Kentucky Route 333, Kentucky Route 477, and Kentucky Route 2780, 3.1 mi west of Irvington.  Webster has a post office with ZIP code 40176, which opened on August 31, 1852. Kentucky Route 93 is a 27.734-mile (44.634 km) state highway in Kentucky that is separated into two segments . The southern segment runs from Kentucky Route 139 and Kentucky Route 276 southeast of the unincorporated community of Lamasco to Kentucky Route 810, Kentucky Route 819, and Iuka Ferry Road northwest of Kuttawa via Lamasco, Confederate, and Eddyville.  The northern segment runs from Kentucky Route 917 and Short Drive just east of Iuka to Kentucky Route 453 in rural Livingston County several miles east of Iuka via Iuka.  It appears that the two segments were originally or meant to be connected, as both segments are just a few miles apart.  It appears that they were to connect at the Cumberland River, at which the northern segment ends on the western bank and a rural road, likely what was or is to be part of KY 93, ends on the east bank. Kentucky Route 84 is a 70.432 mi state highway in Kentucky that runs from Kentucky Route 401 southwest of Hudson to Kentucky Route 49 and Kentucky Route 52 in Lebanon via Eastview, Sonora, Hodgenville, and Raywick. Kentucky Route 1065 (KY 1065) is a 13.715 mi state highway located in Louisville, Kentucky.  The western terminus of the route is at Kentucky Route 907 a short distance west of Kentucky Route 841 (Gene Snyder Freeway) exit 6 in the Louisville neighborhood of Auburndale.  The eastern terminus is at Kentucky Route 1819 in Fern Creek. Kentucky Route 46 (KY 46) is a 21.977 mi state highway in Nelson County, Kentucky.  KY 46 runs from KY 52 south of Nelsonville to KY 49 south of Greenbrier. Nelson County is a county located in the U.S. state of Kentucky.  As of the 2010 census, the population was 43,437.  Its county seat is Bardstown. Kentucky Route 338 begins at Kentucky Route 20 in Northern Boone County.  It goes though Burlington, Kentucky where it intersects with Kentucky Route 18.  It then goes to a small town called Rabbit Hash, Kentucky where it intersects with Kentucky Route 536 and again with Route 18.  After it leaves Rabbit Hash, it runs by Big Bone Lick State Park before intersecting with US 42 and US 127 near Union.  It turns left onto US 42 and US 127, and then leaves the concurrency about mile north.  Route 338 then travels to Richwood, where it has access to Interstate 75 and Interstate 71 it ends about 1/4 mile east of the interstate at US 25. Kentucky Route 160, also known as KY 160, is a state highway in the U.S. state of Kentucky.  It runs from the Virginia state line, where the roadway continues east to Appalachia, Virginia as State Route 160, north via Lynch, Benham, Clutts, Cumberland, Sand Hill, Gordon, Linefork, Kings Creek, Premium, and Hot Spot to Kentucky Route 15 at Van.  KY 160 overlaps KY 15 through Isom to Cody, where it splits to run via Carr Creek, Brinkley, and Hindman, ending at Kentucky Route 1087 at Vest.
Answer: Nelson County