32785
Operational history First flying in prototype form in 1951 , the KD6G proved successful and was ordered into production in two forms , the KD6G-1 with a McCullough O-100 engine , and the KD6G-2 with a Kiekhaefer V-105 powerplant .
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Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
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