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The only person to hold the post , from 12 August 2004 to 21 May 2011 , was Lee Kuan Yew .
 person: Lee Kuan Yew
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Lee Kuan Yew