696
Mr. Schroder did put her on the defensive by questioning the policies of her chief economic adviser , Paul Kirchhof , an academic and former judge , who advocates replacing Germany 's complex tax system with a flat tax .
 nationality: Paul Kirchhof, Germany
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
 Entity Pairs:  Paul Kirchhof, Germany 
Answer:
 nationality: Paul Kirchhof, Germany