7645
It was in mid-1962 that  Watts  first met Brian Jones Ian Stu Stewart Mick Jagger and Keith Richards who also frequented the  London  rhythm and blues clubs but it was n't until January 1963 that Watts finally agreed to join the Rolling Stones.Wyman 2002 .
 Watts, London
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 Watts, London