9074
In 1952 he led an inquiry against Khan Najaf Khan a police official in connection with the assassination of  Pakistan  's first Prime Minister  Liaquat Ali Khan  .
 countries of residence: Pakistan, Liaquat Ali Khan
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:
 countries of residence: Pakistan, Liaquat Ali Khan