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Frederick Estcourt Bucknall ( ca .1838 – 4 June 1896 ) generally known as F. Estcourt Bucknall or F. E. Bucknall was a publican , brewer and politician in the early days of the colony of South Australia .
 South Australia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 South Australia