15956
He joined the first team at Beşiktaş in the 1997 – 98 season when he was just 17 , at the time John Toshack was the coach .
 Beşiktaş, John Toshack
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Beşiktaş, John Toshack