Table schema:
CREATE TABLE HOST (Name VARCHAR, Host_ID VARCHAR); CREATE TABLE party_host (Host_ID VARCHAR, Party_ID VARCHAR); CREATE TABLE party (Party_ID VARCHAR, Number_of_hosts INTEGER)

Question: Show the host names for parties with number of hosts greater than 20.
SQL: SELECT T2.Name 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 T3.Number_of_hosts > 20