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

What is the location of the festival with the largest number of audience?
SELECT location FROM festival_detail ORDER BY num_of_audience DESC LIMIT 1
SELECT "location" FROM "festival_detail" ORDER BY "num_of_audience" DESC NULLS LAST LIMIT 1