7515
( as of April 2013 ) The average was created on July 3 1884 by  Charles Dow  co-founder of  Dow Jones Company  as part of the Customer's Afternoon Letter .
 founded by: Charles Dow, Dow Jones Company
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: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 founded by: Charles Dow, Dow Jones Company