110038
After clever diplomacy and regional alliances he managed to stave off the Ottoman Turks and even fought several battles against Kara Koyunlu defeating Jahan Shah on the river Tigris in May 1457 .
 Ottoman, Jahan Shah
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ottoman, Jahan Shah