1123
In Ashkenazim , it is a founder mutation that arose 61 generations ago , and with a small group of founder mutations was introduced into the Hispanic population ( conversos ) ~ 650 years ago , and into the Iraqi - Jewish community ~ 450 years ago .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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