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

Give me a pie chart about the proportion of the number of countries in the artist table
SELECT Country, COUNT(Country) FROM artist GROUP BY Country
SELECT "Country", COUNT("Country") FROM "artist" GROUP BY "Country"