553
There have been other claimants : in 1964  Montana  Senator  Mike Mansfield  wrote to Mint Director Eva B. Adams enquiring if Sam Resurrection a Choctaw was a model for the nickel .
 Montana, Mike Mansfield
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 Montana, Mike Mansfield