You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "Leonard S. Coleman Jr. is part of the board of directors of which parent company of a well-known racetrack in Louisville, Kentucky?" whose answer is Churchill Downs Incorporated.
Each document should contain about 30 words, and these documents should contain useful information.

Query: well-known racetrack in Louisville, Kentucky
Useful Output:

Doc 1: Historian and former Miles Park employee Stephen Zollner said the racetrack opened at the end of Cecil Avenue in 1908 and closed in 1975.
Doc 2: This track became a very popular attraction and was the very first of its kind in the state of Kentucky.
Doc 3: Churchill Downs - Louisville, Kentucky. Still a classically beautiful racetrack almost 150 years since it first opened, Churchill Downs in
Doc 4: Known as the home of the Kentucky Derby and the Kentucky Oaks, Churchill Downs Racetrack conducts Thoroughbred horse racing in Louisville, Kentucky.
Doc 5: Churchill Downs is a horse racing complex located on Central Avenue in south Louisville, Kentucky, United States, famed for hosting the annual Kentucky Derby.