Which team had more than one player who grabbed more than 600 rebounds in 2011? Give the full name of the team.
more than one player refers to count(playerID) > 1; grabbed more than 600 rebounds refers to rebounds > 600; in 2011 refers to 2011; full name refers to teams.name
SELECT T1.tmID FROM teams AS T1 INNER JOIN players_teams AS T2 ON T1.tmID = T2.tmID AND T1.year = T2.year WHERE T1.year = 2011 AND T2.rebounds > 600