Question: Which senator from Hawaii defeated Campbell Cavasso in the 2010 senate race and was the highest-ranking Japanese American politician in United States history?
Sentence (from "Daniel Inouye"): He was a member of the Democratic Party, and he was President pro tempore of the United States Senate (third in line in the Presidential Line of Succession) from 2010 until his death in 2012, making him the highest-ranking Japanese American politician in U.S. history.
Relevant evidence: Yes