373500
Record of payments to him beginning 1 April 1685 , three weeks after the contract was awarded , showed that , contrary to the traditional account that he was not brought in until trouble had been encountered , he was the specialist in the project from the beginning .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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