7136
The company then merged with the English Public Electricity Supplier Southern Electric plc to become  Scottish and Southern Energy  plc on the 14 December  1998  .
 founded: Scottish and Southern Energy, 1998
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 founded: Scottish and Southern Energy, 1998