tripleset: AEK Athens F.C. LEAGUE Superleague Greece
tripleset: Superleague Greece CHAMPIONS Olympiacos F.C.
tripleset: AEK Athens F.C. GROUND Greece
annotations.source: webnlg webnlg
annotations.text: AEK Athens F.C. (who's grounds are in Athens) is in the Superleague of Greece. Olympiacos FC are previous champions of the Superleague Greece. AEK Athens's ground is in Greece and it competes in the Superleague Greece, the past champions were Olympiacos F.C.