1497
Duggan's body was flown back to  England  on 31 March where a non-forensic postmortem examination was conducted on 4 April by Dr David Shove a consultant histopathologist at  Barnet General Hospital  .
 country of headquarters: England, Barnet General Hospital
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:
 country of headquarters: England, Barnet General Hospital