15096
His visit was followed by four others ; the first  African  in Space Mark Shuttleworth ( South African/British ) in April and May of 2002 ;  Gregory Olsen  ( American ) in October 2005 ; Anousheh Ansari ( Iranian/American ) in September 2006 ; and Charles Simonyi ( Hungarian/American ) in April 2007 .
 None
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:   
Answer:
 NA: African, Gregory Olsen