11649
Under the initial plan  Saab  built the all aluminium fuselage and vertical stabilizer and also performed final assembly in  Sweden  while Fairchild was responsible for the wings empennage and wing-mounted nacelles for the two turboprop engines .
 country of headquarters: Saab, Sweden
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:
 country of headquarters: Saab, Sweden