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

Give me a bar chart about the number of countries in the artist table, and show by the Y from low to high please.
SELECT Country, COUNT(Country) FROM artist GROUP BY Country ORDER BY COUNT(Country)
SELECT "Country", COUNT("Country") FROM "artist" GROUP BY "Country" ORDER BY COUNT("Country") NULLS FIRST