8500
The party , led by Meriwether Lewis and William Clark , set out from St. Louis in May 1804 , made its precarious way to the Pacific coast , and arrived back in St. Louis in September 1806 .
 place of death: William Clark, St. Louis; place of death: William Clark, St. Louis
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 place of death: William Clark, St. Louis; place of death: William Clark, St. Louis