2057
On August 25 2007 he moved to  San Francisco  California where he is visiting  Academy of Art University  .
 city of headquarters: San Francisco, Academy of Art University
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:  San Francisco, Academy of Art University 
Answer:
 city of headquarters: San Francisco, Academy of Art University