Question: Which party did the politician and gubernatorial candidate who lost to an American politician, author, and attorney in the Governor of New York State election of 2014 represent?
Sentence (from "Ruby Laffoon"): In 1931, he was chosen as the Democratic gubernatorial nominee by a nominating convention, not a primary, making him the only Kentucky gubernatorial candidate to be chosen by a convention after 1903.
Relevant evidence: No