788
On  December 31 1990  the Live Oak Perry and South Georgia's parent the Southern Railway was renamed the  Norfolk Southern Railway  .
 founded: December 31 1990, Norfolk Southern Railway
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: 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} 
 Entity Pairs:  December 31 1990, Norfolk Southern Railway 
Answer:
 founded: December 31 1990, Norfolk Southern Railway