15892
Singapore's first  Prime Minister   Lee Kuan Yew  is the only person who has held this post from 12 August 2004 to 21 May 2011 .
 Prime Minister, Lee Kuan Yew
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:
 Prime Minister, Lee Kuan Yew