Which team did the Kansas City Chiefs defeat in Super Bowl LIV?

Which team lost all four of its Super Bowl appearances in the 1970s? Which team lost Super Bowl XLIX when a goal-line pass was intercepted by Malcolm Butler? Which team did the Philadelphia Eagles defeat in Super Bowl LII? Which team did the Philadelphia Eagles defeat in Super Bowl LIX? Which team did the Tampa Bay Buccaneers defeat in Super Bowl LV? Which team did the Los Angeles Rams defeat in Super Bowl LVI? Which team did the Seattle Seahawks defeat in Super Bowl XLVIII? Which team did the Chicago Bears defeat in Super Bowl XX?