53723
Mr. Coughlin , a 6-foot-4 former football player and hunting buddy of Wal-Mart 's founder , Sam Walton , was among the most powerful executives at the company .
 company founders: Wal-Mart, Sam Walton; person of company: Sam Walton, Wal-Mart
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:  Wal-Mart, Sam Walton; Sam Walton, Wal-Mart 
Answer:
 company founders: Wal-Mart, Sam Walton; person of company: Sam Walton, Wal-Mart