CREATE TABLE party (Location VARCHAR(255), Party_ID VARCHAR(255)); CREATE TABLE party_host (Host_ID VARCHAR(255), Party_ID VARCHAR(255)); CREATE TABLE HOST (Host_ID VARCHAR(255), Age INTEGER)
Show the locations of parties with hosts older than 50.
    
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