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In late January 1971 , he was bought by Basque giants Athletic Bilbao , making his official debut on the 31st , a 2 – 0 La Liga home win against Celta de Vigo , with his team eventually finishing fifth and qualifying for the UEFA Cup .
 Basque, Athletic Bilbao, La Liga, Celta de Vigo
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Basque, Athletic Bilbao, La Liga, Celta de Vigo