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)
CREATE TABLE exhibition (exhibition_id NUMBER, year NUMBER, theme CLOB, artist_id NUMBER, ticket_price NUMBER)

How many exhibitions has each artist had?
SELECT T2.name, COUNT(*) FROM exhibition AS T1 JOIN artist AS T2 ON T1.artist_id = T2.artist_id GROUP BY T1.artist_id
SELECT "T2"."name", COUNT(*) FROM "exhibition" "T1" JOIN "artist" "T2" ON "T1"."artist_id" = "T2"."artist_id" GROUP BY "T1"."artist_id"