You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.
Q: Category: "P.G."
Clue: Serving from 1969 to 1972, Winton Blount was the last person to serve in this job as part of the cabinet
A:
the postmaster general