Question: Which professional American football team is the only franchise to win championships while representing three different cities and was the team that Jack Youngblood played for?
Sentence (from "1995 World Series"): The 1995 World Series was the 91st edition of Major League Baseball's championship series, a best-of-seven playoff played between the National League (NL) champion Atlanta Braves and the American League (AL) champion Cleveland Indians.
Relevant evidence: No