6348
It has significance in United States political history primarily because former Secretary of State  Jeremiah S. Black  resigned as defending counsel in the impeachment trial of President Andrew Johnson in 1868 when the latter would not order Secretary of  State  William H. Seward to approve the claim .
 employee of: Jeremiah S. Black, State
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Jeremiah S. Black, State 
Answer:
 employee of: Jeremiah S. Black, State