Show the locations of parties with hosts older than 50.
CREATE TABLE party (Location VARCHAR, Party_ID VARCHAR); CREATE TABLE party_host (Host_ID VARCHAR, Party_ID VARCHAR); CREATE TABLE HOST (Host_ID VARCHAR, Age INTEGER)
[SQL] SELECT T3.Location FROM party_host AS T1 JOIN HOST AS T2 ON T1.Host_ID = T2.Host_ID JOIN party AS T3 ON T1.Party_ID = T3.Party_ID WHERE T2.Age > 50 [/SQL]