Question: Joseph Robinette "Beau" Biden III, was an American attorney, officer in the Army Judge Advocate General's Corps, and politician from Wilmington, Delaware, and was the eldest of three children from the marriage of former U.S. Vice President Joe Biden and his first wife, Neilia, Joe Biden is an American politician, who was the 47th Vice President of the United States, during which time period?
Sentence (from "Joe Biden"): A member of the Democratic Party, he represented Delaware as a United States Senator from 1973 until becoming Vice President in 2009.
Relevant evidence: No