CREATE TABLE artwork (artwork_id NUMBER, type CLOB, name CLOB)
CREATE TABLE nomination (artwork_id NUMBER, festival_id NUMBER, result CLOB)
CREATE TABLE festival_detail (festival_id NUMBER, festival_name CLOB, chair_name CLOB, location CLOB, year NUMBER, num_of_audience NUMBER)

How many artworks are there?
SELECT COUNT(*) FROM artwork
SELECT COUNT(*) FROM "artwork"