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The most sophisticated water-powered astronomical clock was Al-Jazari 's castle clock , considered to be an early example of a programmable analog computer , in 1206 .
 person: Al-Jazari
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: Al-Jazari