Question: Who served as a congressman for the the district which contains the cities of Lexington (including its suburbs), Richmond, and Frankfort, the state capital?

Context paragraphs:
Alas (East Timor): Alas (East Timor) is a town in Alas Subdistrict.  It is located in the interior of the island, 294 metres above sea level.  As the crow flies, Alas is 56 km southeast of the state capital Dili und 7 km to the East of Same.  Alas lies to the North of the Suco of Mahaquidan ("Malaquidan", "Malagidan"), and the Alas suburbs of "Uma Mean" ("Umanican", "Umamean") and "Beremanek" are located in Mahaquidan.  The suburbs of "Lurin" und "Ailora" are in the suco of Taitudac ("Taitudak", "Taitudac", "Taitudal").  It is located in the interior of the island, 294 metres above sea level.  As the crow flies, Alas is 56 km southeast of the state capital Dili und 7 km to the East of Same.  Alas lies to the North of the Suco of Mahaquidan ("Malaquidan", "Malagidan"), and the Alas suburbs of "Uma Mean" ("Umanican", "Umamean") and "Beremanek" are located in Mahaquidan.  The suburbs of "Lurin" und "Ailora" are in the suco of Taitudac ("Taitudak", "Taitudac", "Taitudal").

Interstate 64 in Kentucky: In the U.S. state of Kentucky, Interstate 64 travels for 191 mi passing by the major towns and cities of Louisville, Frankfort, Lexington and Ashland.  It has several major junctions within the state: Interstate 65, Interstate 71, Interstate 264 and Interstate 265 in Louisville, and Interstate 75 in Lexington.

Lexington and Ohio Railroad: The Lexington and Ohio Railroad was the first railroad in the U.S. Commonwealth of Kentucky.  Its charter proposed the establishment of a link between Lexington in the center of the Bluegrass Region to the river port of Louisville at the Falls of the Ohio by way of Frankfort, the state capital.  The line was never completed and the Panic of 1837 led to its complete collapse.  The Commonwealth seized the railroad in payment of its debts in 1840.

U.S. Route 127 in Kentucky: U.S. Route 127 (US 127) in Kentucky runs 207.7 mi from the Tennessee state line in rural Clinton County to the Ohio state line in Cincinnati.  The southern portion of the route is mostly rural, winding through various small towns along the way.  It later runs through the state capital of Frankfort before continuing north, eventually passing through several Cincinnati suburbs in Northern Kentucky, joining US 42 near Warsaw and US 25 in Florence before crossing the Ohio River via the Clay Wade Bailey Bridge.

Kentucky's 6th congressional district: Kentucky's 6th congressional district is a congressional district in the U.S. state of Kentucky.  Based in Central Kentucky, the district contains the cities of Lexington (including its suburbs), Richmond, and Frankfort, the state capital.

Frankfort, Kentucky: Frankfort is the capital city of the Commonwealth of Kentucky and the seat of Franklin County.  Based on population, it is the fourth-smallest state capital (after Montpelier, Vermont, Pierre, South Dakota and Augusta, Maine) in the United States.  It is a home rule-class city in Kentucky; the population was 25,527 at the 2010 census.  Located along the Kentucky River, Frankfort is the principal city of the Frankfort, Kentucky Micropolitan Statistical Area, which includes all of Franklin and Anderson counties.

U.S. Route 460: U.S. Route 460 is a spur of U.S. Route 60.  It currently runs for 655 miles (1,054 km) from Norfolk, Virginia, at U.S. Route 60 at Ocean View to Frankfort, Kentucky, at U.S. Route 60.  It passes through the states of Virginia, West Virginia, and to Frankfort, Kentucky, the state capital.  It goes through the cities of Norfolk, Portsmouth, Suffolk, Petersburg, Farmville, Lynchburg, Roanoke, Blacksburg, Tazewell, and Grundy, in Virginia; Princeton and Bluefield in West Virginia; and Pikeville, and Frankfort, Kentucky.

FPB-TV: FPB-TV is an American public access cable television channel that serves the cable television customers of its owner and operator, the Frankfort Plant Board.  It is headquartered in the Commonwealth of Kentucky's state capital city of Frankfort.  It is seen on FPB cable channels 10 (in SD) and 510 (in HD).  FPB-TV's studio facilities are located at 306 Hickory Drive in Frankfort.

Happy Chandler: Albert Benjamin "Happy" Chandler Sr. (July 14, 1898June 15, 1991) was an American politician from the U.S. state of Kentucky.  He represented the Commonwealth in the U.S. Senate and served as its 44th and 49th governor.  Aside from his political positions, he also served as the second Commissioner of Baseball from 1945 to 1951 and was inducted into the Baseball Hall of Fame in 1982.  His grandson, Ben Chandler, later served as congressman for Kentucky's Sixth District.

WZ2523: WZ2523 (sometimes referred as Frankfort All Hazards or WZ252) is a NOAA Weather Radio station that serves The capital of Kentucky, Frankfort, Kentucky and surrounding cities including the eastern part of the Louisville-Jefferson County, KY-IN Metropolitan Statistical Area and western Lexington-Fayette.  It is programmed from the National Weather Service forecast office in Louisville, Kentucky with its transmitter located in Frankfort.  It also broadcasts some bulletins from The National Weather Service forecast office in Wilmington, Ohio.  It broadcasts weather and hazard information for Anderson, Franklin, Henry, Owen, Scott, Shelby, and Woodford counties in northern Kentucky.  This also includes Carroll county in northern Kentucky.

Supporting paragraphs: Happy Chandler Kentucky's 6th congressional district
Answer: Ben Chandler