10467
In  1850  the merged with the Glasgow Dumfries and Carlisle Railway ( ) to form what became the  Glasgow and South Western Railway  .
 founded: 1850, Glasgow and South Western 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:  1850, Glasgow and South Western Railway 
Answer:
 founded: 1850, Glasgow and South Western Railway