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

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" AS "T1" JOIN "artist" AS "T2" ON "T1"."artist_id" = "T2"."artist_id" GROUP BY "T1"."artist_id"