CREATE TABLE exhibition_record (exhibition_id NUMBER, date CLOB, attendance NUMBER)
CREATE TABLE exhibition (exhibition_id NUMBER, year NUMBER, theme CLOB, artist_id NUMBER, ticket_price NUMBER)
CREATE TABLE artist (artist_id NUMBER, name CLOB, country CLOB, year_join NUMBER, age NUMBER)

Show all artist names and the year joined who are not from United States.
SELECT name, year_join FROM artist WHERE country <> 'United States'
SELECT "name", "year_join" FROM "artist" WHERE "country" <> 'United States'