15735
YBhg Tan Sri Dr Yahya Awang who was the cardiac surgeon responsible for performing the first cardiac coronary bypass on  Tun   Dr Mahathir  will be heading the surgery team .
 Tun, Dr Mahathir
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 Tun, Dr Mahathir