10301
He died on March 28 2010 when a speeding car hit him as he was crossing Salah Salem Street in  Nasr  City in  Cairo  Egypt on his way to train the Egyptian national rowing team .
 city of headquarters: Nasr, Cairo
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:
 city of headquarters: Nasr, Cairo