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

What are the names of the chairs of festivals, sorted in ascending order of the year held?
SELECT chair_name FROM festival_detail ORDER BY year
SELECT "chair_name" FROM "festival_detail" ORDER BY "year"