15217
It was formed in July  2000  when Finmeccanica and GKN merged their respective helicopter subsidiaries ( Agusta and Westland Helicopters ) to form  AgustaWestland  with each holding a 50 % share .
 founded: 2000, AgustaWestland
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:  2000, AgustaWestland 
Answer:
 founded: 2000, AgustaWestland