Question: When did the Democratic senator in the United States vice-presidential debate of 1976 run for presidential election?
Sentence (from "Walter Mondale"): Walter Frederick "Fritz" Mondale (born January 5, 1928) is an American politician, diplomat and lawyer who served as the 42nd Vice President of the United States from 1977 to 1981, and as a United States Senator from Minnesota (1964–76).
Relevant evidence: No