11252
He defended his proposals to change the constitution , but asked for constitutional reform to be undertaken through existing procedures instead of calling for a referendum for an entirely new constitution which was proposed by former president Lee Teng-hui .
 Lee Teng-hui
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Lee Teng-hui