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Former Gov. John G. Rowland of Connecticut appeared yesterday as a witness before a grand jury in Hartford in response to a subpoena from federal prosecutors , who continue to investigate corruption stemming from his time in office , according to Mr. Rowland 's lawyers . ''
 John G. Rowland, Hartford; Connecticut, Hartford
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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} 
Answer:
 John G. Rowland, Hartford; Connecticut, Hartford