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Formula 3 2004For 2004 , Gilmour Racing bought an Opel " Baby " Spiess powered Dallara F301 in their efforts to win the Australian Formula 3 Championship .
 Opel, Dallara F301
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Opel, Dallara F301