27049
Also on the list are Samuel Zell , the billionaire Chicago real estate developer who was part of a small group of investors Mr. Skilling approached in late 2001 in a failed effort to raise $ 3 billion to salvage Enron .
 place of birth: Samuel Zell, Chicago
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:  Samuel Zell, Chicago 
Answer:
 place of birth: Samuel Zell, Chicago