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On 21 March 1996 when  Chen Shui-bian  was the mayor of  Taipei  Chieh-shou Road was renamed Ketagalan Boulevard and the surrounding square was renamed Ketagalan Square in honor of the Ketagalan Taiwanese aborigines originally living in the Taipei area .
 Chen Shui-bian, Taipei
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 Chen Shui-bian, Taipei