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Lango Sinkamba , born in 1968 or 1969 , is a Zambia n former athlete who specialised in the wheelchair marathon .
 Lango Sinkamba, Zambia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Lango Sinkamba, Zambia