Question: Louie R. Guenthner, Jr. represented the 48th District in Jefferson COunty from 1973 to 1988 including an affluent area with what population as of the 2000 U.S. Census?
Sentence (from "Indian Hills, Kentucky"): It was among the highest-income places in the United States as of the 2000 U.S. census.
Relevant evidence: No