Task: Explanation
Input (English): Jason David Kander (born May 4, 1981) is an American lawyer and politician. A member of the Democratic Party, he was elected Secretary of State of Missouri in 2012, serving from 2013 to 2017. He previously served as a state representative. He was an intelligence officer in the Army National Guard, achieving the rank of Captain. He was the Democratic nominee for the United States Senate, narrowly losing the 2016 Senate election to Republican incumbent Roy Blunt. Question: The Democratic nominee for a US Senate seat in Missouri in 2016 defeated what Republican politician in 2012? Answer: Shane Schoeller
Output (English):  He was the Democratic nominee for the United States Senate, narrowly losing the 2016 Senate election to Republican incumbent Roy Blunt.