Who is the tallest player in Denver Nuggets since 1980?
"Denver Nuggets" is the name of team; since 1980 refers to year > 1980; tallest player = Max(height)
SELECT T1.firstName, T1.lastName FROM players AS T1 INNER JOIN players_teams AS T2 ON T1.playerID = T2.playerID INNER JOIN teams AS T3 ON T3.tmID = T2.tmID WHERE T3.name = 'Denver Nuggets' AND T2.year > 1980 ORDER BY T1.height DESC LIMIT 1