CREATE TABLE exhibition (Exhibition_ID NUMBER, Year NUMBER, Theme CLOB, Artist_ID NUMBER, Ticket_Price FLOAT)
CREATE TABLE artist (Artist_ID NUMBER, Name CLOB, Country CLOB, Year_Join NUMBER, Age NUMBER)
CREATE TABLE exhibition_record (Exhibition_ID NUMBER, Date CLOB, Attendance NUMBER)

For artist names who are not from the United States, how many names in each year?
SELECT Year_Join, COUNT(Year_Join) FROM artist WHERE Country <> 'United States' GROUP BY Name
SELECT "Year_Join", COUNT("Year_Join") FROM "artist" WHERE "Country" <> 'United States' GROUP BY "Name"