16909
 In one case last month , Gen. George W. Casey Jr. , the top American commander in Iraq , intervened to release another alleged Mahdi Army death squad leader captured in a raid in west Baghdad after Mr. Maliki demanded he be freed , apparently to assuage Mr. Sadr . 
 country capital: Iraq, Baghdad
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: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
Answer:
 country capital: Iraq, Baghdad