11665
Founded in 1870  Banco de  is the oldest commercial banking institution in  Colombia  and operates through 274 branches five corporate service centers and a banking attention center in the country .
 country of headquarters: Banco de, Colombia
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:
 country of headquarters: Banco de, Colombia