Question: The thirteenth episode of "The Simpsons"' seventh season features a president who was Vice President of the US during what years?
Sentence (from "George H. W. Bush"): George Herbert Walker Bush (born June 12, 1924) is an American politician who was the 41st President of the United States from 1989 to 1993 and the 43rd Vice President of the United States from 1981 to 1989.
Relevant evidence: Yes