CREATE TABLE film_market_estimation (Estimation_ID NUMBER, Low_Estimate FLOAT, High_Estimate FLOAT, Film_ID NUMBER, Type CLOB, Market_ID NUMBER, Year NUMBER)
CREATE TABLE film (Film_ID NUMBER, Title CLOB, Studio CLOB, Director CLOB, Gross_in_dollar NUMBER)
CREATE TABLE market (Market_ID NUMBER, Country CLOB, Number_cities NUMBER)

Visualize a bar chart for how films are produced by each studio?
SELECT Studio, COUNT(*) FROM film GROUP BY Studio
SELECT "Studio", COUNT(*) FROM "film" GROUP BY "Studio"