1050
Martyn Williams has been named in the  Wales  squad for the  Six Nations Championship  after coming out of retirement while Ryan Jones will captain Warren Gatland's team .
 country of headquarters: Wales, Six Nations Championship
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: Wales, Six Nations Championship