1200
It was founded by Dr. Mo Ibrahim a Sudanese philanthropist and businessman who founded telecommunications company  Celtel  International in  1998  .
 Celtel, 1998
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:
 Celtel, 1998