73229
She competed in the 200 metres at the 2003 World Indoor Championships , and then in the 400 metres at the 2003 World Championships , the 2005 World Championships , the 2006 European Championships , the 2007 World Championships and the 2009 World Championships without reaching the final .
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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:
 None