46944
He dominated racing for nearly 20 years at the Kentucky tracks and is the leading rider in the history of both Keeneland and Churchill Downs in terms of victories , stakes victories and earnings .
 location contains: Kentucky, Keeneland
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
 Entity Pairs:  Kentucky, Keeneland 
Answer:
 location contains: Kentucky, Keeneland