868
City Year  was founded in 1988 by  Michael Brown  and Alan Khazei then-roommates at Harvard Law School who felt strongly that young people in service could be a powerful resource for addressing America's most pressing issues .
 founded by: City Year, Michael Brown
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: City Year, Michael Brown