47853
Orava has also been working with AC Milan since 1986 , and he performed a successful surgery on footballer David Beckham at his clinic in Turku in March 2010 to repair his torn achilles tendon .
 Orava, AC Milan, David Beckham, Turku
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Orava, AC Milan, David Beckham, Turku