CREATE TABLE host (host_id NUMBER, name CLOB, nationality CLOB, age CLOB)
CREATE TABLE party (party_id NUMBER, party_theme CLOB, location CLOB, first_year CLOB, last_year CLOB, number_of_hosts NUMBER)
CREATE TABLE party_host (party_id NUMBER, host_id NUMBER, is_main_in_charge others)

Show the name and the nationality of the oldest host.
SELECT name, nationality FROM host ORDER BY age DESC LIMIT 1
SELECT "name", "nationality" FROM "host" ORDER BY "age" DESC FETCH FIRST 1 ROWS ONLY