11807
He was nominated by President  Thomas Jefferson  on April 19 1806 to a seat on the  United States  District Court for the District of Maryland vacated by James Winchester .
 countries of residence: Thomas Jefferson, United States
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: Thomas Jefferson, United States